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Masthead (1932)

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932)

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050530101

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The histology of posterior regeneration in the polychaete Chaetopterus variopedatusThe material for this work was collected at the Woods Hole Marine Biological Laboratory during August, 1929; the subsequent work was completed in the Zoölogical Department, University of Chicago, Illinois, and the Anatomy Department, University of California, Berkeley, California. The author wishes to thank Dr. F. R. Lillie for his assistance. (1932)

Faulkner, G. H.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 23-58

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: After amputation, the wound is closed by the protrusion and lateral expansion of the alimentary canal over the cut muscles and its final fusion with the epidermis laterally after about twenty-four hours. Associated with the expansion is a divergence of the two adjacent halves of the ventral nerve cord in the last remaining segment. As a result, the whole of the new regenerated lobe behind the ring of the cut epidermis is interneural; i.e., it is an enlargement of the normally small area separating the two nerve cords. Undifferentiated cells, or neuroblasts, are normally located interneurally, and during regeneration these neoblasts proliferate throughout the enlarged interneural zone of the papilla and migrate throughout the lobe. At first the neoblastic mesenchyme filling the lobe is loose and homogeneous, but as the cells settle down against the outer wall they replace the old intestinal cells and assume the characters of new epidermis. Internally, the mass acquires paired cavities, while the cells surrounding the cavities differentiate into muscle, peritoneum, etc. Thus one type of cell gives rise to the whole of the regenerated papilla. These cells are also the mother cells of the gametocytes.

Additional Material: 16 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050530103

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Some cytoplasmic structures in the male reproductive cells of a pseudoscorpion (Chelanops corticis) (1932)

Nester, Henry George

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 97-131

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: The chondriosomes of the germinal epithelium are vesicular, whereas the Golgi material takes three forms. The aggregation of chondriosomes about the Golgi cap, located on the nucleus, suggests a chemical interchange between these in the growth period. They become cylindrical as the Golgi cap moves from the nucleus and becomes spherical. It is at this time joined by other Golgi material. The entire aggregation is dispersed previous to the maturation divisions, where the inclusions studied are only approximately equally divided, in contrast to conditions in the true scorpion, Centrurus exilicauda. Golgi granules on chondriosomal surfaces in the spermatid again suggest chemical interchange. The later changes of chondriosome vesicles to discs, and back to spheres, may be means of regulating chemical reaction. A close relation between chondriosomes and Golgi material is indicated by various bodies, of Golgi origin, within the former in the spermatid. A thick thread finally originates from among the chondriosomes of the elongated sperm. Spiral threads surrounding the elongating nucleus arise from reunited Golgi material, a derivative of this substance not previously recorded. The acrosome, also of Golgi origin, undergoes several changes in shape and shows several parts. The elongated nucleus, spiral thread of Golgi origin, acrosome, chondriosomal thread, and unusually long axial filament become coiled and encysted in an oval mature sperm capsule. In the female duct the sperm uncoils.

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URL: http://dx.doi.org/10.1002/jmor.1050530105

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Coordination of ciliary movement. II. The effect of temperature upon the ciliary wave lengthThe investigation has been made possible through funds granted by the Chemical Foundation and the National Research Council. (1932)

Lucas, Alfred M.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 265-276

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: The ciliary wave length is a constant in the temperature range of 10° to 30°C. and in Modiolus demissus has the average value of 13.1 μ. Comparison of these data for ciliary coordination with those of nerve conduction probably indicates that the two physiological processes possess certain properties in common. The cells which bear the cilia are 12.75 μ long and the variation in ciliary wave length and cell length is about the same, which may indicate a possible cytophysiological relationship between the two.

Additional Material: 2 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050530204

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Keimbahn determinants and continuity of the germ cells in Sphaerium striatinum (Lam.) (1932)

Woods, Farris H.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 345-365

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: During oogenesis granular mitochondria become concentrated in the proximal portion of the oocyte and remain concentrated in the line of cells that gives rise to the germ cells. Two cells of characteristic structure, appearing at gastrulation one on either side in the mesoderm, contain this mitochondrial cloud. All functional germ cells seem to be lineal descendants of these two primordial germ cells. The cloud disappears during gonad formation, but reappears in oocytes of the next generation. Except during meiosis and fertilization the germ-cell cycle is traceable from fertilized egg to sexual maturity. Details of meiosis and chromosome number were not ascertained.Capacity for producing germ cells in Sphaerium is traceable from a definite region in the egg to primordial germ cells through a localized cloud of mitochondria in the mature ovum and certain cells of cleavage stages. Mitochondria, therefore, serve as a Keimbahn determinant in the sense that they mark a region of oocyte cytoplasm destined for cytoplasm of primordial germ cells. They are not considered causal factors in production of germ cells, but are probably storage products persisting unused in the egg and in cleavage cells having lower metabolic rates. Disappearance of these mitochondria during gonad formation is explained by their dispersal among a number of cells and by their utilization in furnishing energy and material for production of new cells.

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URL: http://dx.doi.org/10.1002/jmor.1050530207

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Masthead (1932)

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932)

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050530301

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Polyploidy and metaphase patterns (1932)

Wilson, Edmund B.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 443-471

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: A cyst of tetraploid first spermatocyte metaphases is described in the coreid hemipter Archimerus alternatus (Say), all other divisions in the testis being of normal diploid constitution. The striking fact is that in spite of the doubling of their number the chromosomes closely follow the group pattern characteristic of the corresponding normal divisions. In the latter the first metaphase always shows a ring of six autosome bivalents with a single m-chromosome bivalent at its center and a single univalent X-chromosome lying outside the ring (as in coreids generally). In corresponding tetraploids the numbers are respectively 12, 2, and 2. Three additional interesting features of the tetraploids are: 1) the fact that the two m-bivalents are always lined up end to end to form an axial quadrivalent chain; 2) that although two X-chromosomes are present (as in the normal female), they are never united to form a bivalent as in that sex; and, 3) that in the prophases (of which a few are present in the cyst), at least one pycnotic X, or chromosome nucleolus, is present.A critical discussion is offered of the general problem of the mechanism of chromosome movements and groupings, together with a review of recent literature. The conclusion is urged that the chromosomes themselves play an active and important part in these processes, and the possible genetic relations between chromosomes and spindle substance are discussed.

Additional Material: 24 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050530302

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Observations on the life history of a fingernail shell of the genus SphaeriumContribution from the Zoölogical Laboratory of the University of Illinois, no. 429. (1932)

Foster, Thural Dale

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 473-497

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: By statistical analysis and microscopical examination of a series of monthly quantitative collections, an attempt has been made to interpret the life history and reproductive habits of Sphaerium solidulum, one of the numerous species of the genus Sphaerium.Individuals of the species under observation have a distinctly limited life span of approximately one year. The period of maximum reproduction of this species does not occur in the summer months, as previously believed, but in the winter months. Seasonal growth rings are not present on this shell, although concentric lines are characteristic. No individuals of maximum size were present during the months from August to February. Maximum-size adults are apparently sterile. The analysis of distribution curves of each quantitative sample indicates two size groups in each collection as shown by the bimodal character of each graph. Distribution curves of embryos feature the bimodal character of the young and adult. The conclusions are founded on data secured from twelve monthly collections made from the same habitat totaling 7022 individuals.

Additional Material: 3 Tab.

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URL: http://dx.doi.org/10.1002/jmor.1050530303

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The embryology of amphioxus (1932)

Conklin, Edwin Grant

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 69-151

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Although the egg of Amphioxus is much more fluid and less stereotyped than that of Ascidians, the poles, axes, and localizations of formative materials are much the same in the two. The spermatozoon enters near the vegetative pole and a peripheral layer of granular cytoplasm flows to this pole and later forms a crescent around the posterior side parallel to the first cleavage amphiaster; this is the mesodermal crescent. On the anterior side a similar area later gives rise to the chorda-neural crescent. Above these crescents is the ectodermal area, below them the endodermal area. The early cleavages divide these crescents and areas just as in Ascidians. The coeloblastula is at first spherical, but later flattens in the region of the mesodermal crescent; this flattening extends forward on the vegetative side to the chorda-neural crescent, where the invagination is sharpest. The blastopore is at first triangular in outline, the dorsal lip being formed by the chorda-neural crescent and the lateral lips by the mesodermal crescent. Later the chorda and the mesodermal crescents are infolded, the lateral lips fuse to form the ventral lip which grows dorsalward, the blastopore becomes wider from right to left than dorsoventrally, the gastrula elongates and in the angles between dorsal and ventral lips the mesodermal crescent forms the mesodermal grooves in the lateral walls of the gastrocoel.

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URL: http://dx.doi.org/10.1002/jmor.1050540103

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Observations upon the American representative of macrostomum tuba (1932)

Kepner, William A. ; Stiff, M. W.

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 221-231

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: What appears to be a variety of Macrostomum tuba has been described in this paper. There is but a single retinula in each eye. This visual cell displays three regions: rhabdome, ellipsoid, and myoid, as does a vertebrate's retinula. Moreover, the accessory pigment associated with the retinula of M. tuba is applied to the rhabdome and not to the ellipsoid and myoid; this likewise is similar to the distribution of the pigment about the vertebrate's retinula. An analogy, therefore, may be drawn between the visual cell of the rhabdocoele and that of the vertebrate. This is so strong as to suggest homology. Several features peculiar to this variety are: first, the chitinous, distal ring of the penis; second, the fact that shell and yolk droplets seem to be elaborated by each cell destined to become an oocyte.

Additional Material: 1 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050540107

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A comparison between the ultraviolet microscopy and the Feulgen staining of certain cells (1932)

Wyckoff, Ralph W. G. ; Ebeling, Albert H. ; Ter Louw, Adrian L.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 189-199

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: This paper describes ultraviolet (λ = 2750 A) photomicrographs of resting and dividing chicken macrophages and fibroblasts and of erythrocytes and lymphocytes. The structures found in these photographs are compared with the ones brought out in fixed material by Feulgen staining and found to be essentially similar in appearance. A preliminary series of ultraviolet pictures is also shown of a single fibroblast passing through several of its stages of division.

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URL: http://dx.doi.org/10.1002/jmor.1050530107

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Coordination of ciliary movement. I. Methods of study and the relation of ciliary coordination to ciliary inhibitionThe investigation has been made possible through funds granted by the Chemical Foundation and the National Research Council. (1932)

Lucas, Alfred M.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 243-263

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: A simply constructed apparatus, which includes a cinema camera, is described for the recording of ciliary movements. From data for Modiolus demissus obtained by this method, it is concluded that the coordinating impulse is a propagated impulse which regulates the temporal and spatial relationships of ciliary contractility, that this impulse has to a certain degree a determinant effect upon ciliary inhibitory influences so that the area rendered inactive is a multiple of the ciliary wave length, that the coordinating impulse is transmissible through cells bearing quiescent cilia, and that it may act as a stimulus of sufficient strength actually to cause quiescent cilia to become active.

Additional Material: 2 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050530203

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Comments on the origin of the midgut in insects (1932)

Richards, A. Glenn

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 433-441

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Reviews the question of the origin of the midgut of insects with its diverse appearances and interpretations. Without doubt the midgut epithelium in some insects is derived from the lower layer, but in other insects from the tips of the stomodaeal and proctodaeal invaginations. The question of its origin seems to be “a function of the position within the whole,” and best understood from a standpoint of the time of determination of the parts involved. Maps illustrating the prospective significances of the principal types are included and discussed.

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URL: http://dx.doi.org/10.1002/jmor.1050530211

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Studies on the life cycle of the snail, Viviparus contectoidesContributions from the Zoölogical Laboratory of the University of Illinois, no. 428. (1932)

Van Cleave, Harley J. ; Lederer, Ludwig G.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 499-522

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: More than 3700 individuals of Viviparus contectoides from the Illinois River, near Peoria, Illinois, and from the Erie Canal in central New York, have been the subject of statistical and biological analysis as periodic quantitative samples to secure information on the life cycle. Sexes are easily distinguished through tentacular differences. Shells show marked sex dimorphism of size. Males reach a maximum height of 25 mm.; females may exceed 40 mm. Distribution curves, checked by experimental data on another species of the same genus, give evidence that males live normally about one year, while females may live three years. Differences in sex ratio are attributable to differences in life span and to changes in environmental factors producing aggregations of members of one sex.In central New York, the parturition period seems to begin to March and terminates in June. In central Illinois it extends from February into May. The uterus of a gravid female contains eggs, embryos, and shelled young in a graded series. At birth, the young shell contains one and one-half whorls and has a height of approximately 3.8 mm. Color bands are present on the shell three months before birth. Initial growth rate is extremely rapid. In less than three months the largest of the new generation are as large as the smallest of the parent generation. Graphs given show seasonal changes in the population.

Additional Material: 10 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050530304

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The development of the prechordal plate and mesoderm of amblystoma punctatum (1932)

Adelmann, Howard B.

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 1-67

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: This paper describes the development of the prechordal plate and mesoderm of Amblystoma punctatum from the late yolk-plug stage to the stage of about nineteen somites.In the earliest stage described the prechordal plate is embedded in the roof of the archenteron and flanked on both sides by prechordal mesoderm with which it is fused. The characteristics and limits of the prechordal plate and mesoderm are discussed and the fate of both traced. It is demonstrated that the mesodermal cores of the mandibular arches are probably largely derived from the prechordal mesoderm which flanks the prechordal plate. The prechordal plate is later separated out of the roof of the foregut in a caudocephalic direction, giving rise to a median mass of mesoderm which expands laterally independently of the mandibular portions of the prechordal mesoderm to give rise to head mesenchyme lying largely anterior to the level of the hyoid arch. The expansion of this mesoderm is followed in some detail.The boundary between prechordal and notochordal regions is placed at approximately the boundary between the mandibular and hyoid arches.The question of the interpretation of the prechordal region is briefly discussed.

Additional Material: 13 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050540102

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A contribution to the embryology of sciara (diptera)I am greatly indebted to Dr. C. W. Metz for advice and helpful criticism and take this opportunity to express my gratitude to him. (1932)

Du Bois, Anne Marie

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 161-195

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Additional Material: 12 Ill.

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URL: http://dx.doi.org/10.1002/jmor.1050540105

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A microscopical study of glochidial immunityContribution no. 170. Published by permission of the United States Commissioner of Fisheries. Acknowledgment is due the staff of the Fairport Biological Station for many helpful courtesies extended during the prosecution of this inquiry. (1932)

Arey, Leslie B.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 367-379

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

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Notes: Glochidial cysts on the gills of immune fishes form in the same manner as normal ones, but they tend to grow larger and become more irregular. The increased thickness is due to additional cellular connective tissue in the wall. The gill tissue indicates the existing biological incompatibility only by the presence of eosinophiles, extruded chromatin spherules, and eosinophilic plastids.In natural, or racial immunity many glochidia are promptly destroyed by cytolysis, accompanied by an invasion of host cells. These disintegrating glochidia may occur in close proximity to unaffected glochidia and apparently are merely less resistant individuals that succumb to a critically adjusted reaction.In both natural and acquired immunity the normal retention of glochidia and the accompanying metamorphosis are replaced by premature shedding. After the first day, the cyst thins by the removal of stroma cells back into the filament until the wall is reduced to a thin envelope. Both intact and destroyed glochidia, and apparently their cyst coverings, are sloughed at about the second day. Repair of the resulting notched filament is prompt.

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URL: http://dx.doi.org/10.1002/jmor.1050530208

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The effects of x-rays on regeneration in Tubifex TubifexThis investigation is one of the studies upon effects of radiation upon regeneration in progress in the department of Zoölogy at the University of Missouri, assisted by grants to W. C. Curtis from the Committee on Effects of Radiation of the National Research Council. (1932)

Stone, Raymond G.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 389-431

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Posterior regeneration in Tubifex is inhibited by suitable radiation with x-rays. Only a small knob is formed at the cut surface by rearrangement of the terminal region of the old body tissues. Location of the cut within the segment and repeated removals of segments within the posterior three-fourths of the body do not change this result. The worms are as though ‘castrated’ against regeneration. Normal worms regenerate readily under similar conditions and replace lost segments within thirty-five days. Mesodermal tissues in normal regenerating Tubifex are formed from neoblasts, which arise from peritoneal cells upon the posterior faces of septa near the cut, migrate to this wound surface, and differentiate into new structures. After radiation no neoblasts arise from peritoneal cells and there is no mesodermal regeneration. No changes, other than failure to form neoblasts, can be observed in the peritoneal cells. Migrating neoblasts are destroyed within a few hours by similar radiation.Epithelial tissues are also affected by x-rays, as shown by absence of mitoses and failure of regeneration in ectodermal and endodermal epithelia. During normal regeneration cells which form these epithelia and certain muscle fibers arise by proliferation from the epidermis and intestinal lining in the regenerating region, as shown by numerous mitoses in these layers. Failure of regeneration in radiated worms is thus related to lack of cells which are present in normal regeneration.

Additional Material: 7 Tab.

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URL: http://dx.doi.org/10.1002/jmor.1050530210

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A study of the cytoplasm in insect ova (1932)

Payne, Fernandus

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 523-591

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: The cytoplasm of the ova of ten species of insects, distributed among the Hemiptera, Coleoptera, Hymenoptera, Diptera, Orthoptera, and Neuroptera, has been studied. The Golgi bodies and chondriosomes were traced. They increase in number by fragmentation, but whether they may also arise de novo was not determined. They play no visible part in the formation of yolk or fat or any other structures or substances. Fat and yolk apparently arise independently in the cytoplasm. Vacuoles, which may stain with neutral red, may be present, but they are independent of the Golgi bodies. There is no vacuome in the sense in which Parat and others use the term. The Golgi bodies and chondriosomes are interpreted as substances rather than structures and as intermediate products of metabolism. Other bodies of unknown nature and function are present. The yolk nucleus of Gelastocoris is interpreted as a synthetic center.

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URL: http://dx.doi.org/10.1002/jmor.1050530305

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Masthead (1932)

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932)

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050540101

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Embryology and life history of chaetopleura apiculata (1932)

Grave, B. H.

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 153-160

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

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Notes: The breeding season of Chaetopleura apiculata begins about June 20th to June 25th and continues until about October 1st. Spawning takes place in the early evening, 8 to 11 O'clock. The cleavage and early development are strikingly similar to that of Ischnochiton as described by Heath, and is typically molluscan. The egg is enclosed in a bristly chorion from which it hatches after twenty-five to thirty hours. The larva is a large opaque trochophore which gradually transforms into a veliger larva by the development of the shell and foot. It settles to the bottom and metamorphoses into the adult form after six to ten days. It becomes sexually mature in one year and is full grown in three or four years, when it measures 29 × 18 mm. or less.

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URL: http://dx.doi.org/10.1002/jmor.1050540104

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The spermatogenesis of the mouse (mus musculus, var. albula) (1932)

Cutright, Paul R.

New York, NY : Wiley-Blackwell

Journal of Morphology 54 (1932), S. 197-220

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: The previously reported diploid number of forty chromosomes has been verified; the sex chromosomes have been shown to exist early in the growth period and to be of the X-Y type; and a chromosome-nucleolus has been described in the resting stage of the primary spermatocytes which persists throughout synapsis and divides at the time of diakinesis into two parts that are equal in size and are thought to be the largest pair of autosomes. The diakinetic bivalents have been described rather fully. These are short and heavy and assume a great variety of shapes, the most characteristic of which are ring, V, Y, cross, and hexagonal. The union of bivalents during diakinesis has been shown to be an intimate one; in every instance first chromomere unites with first chromomere or third chromomere with third chromomere. This is considered to be significant evidence of the allelomorphism of chromomeres in mammals.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050540106

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Insect development. IV. External morphology of grasshopper embryos of known age and with a known temperature history (1932)

Slifer, Eleanor H.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 1-21

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Eggs of Melanoplus differentialis, a grasshopper, secured immediately after they had been laid, were placed in a water bath kept at 25°C, and allowed to develop for definite periods. After fixation, the embryos were dissected out of the eggs and drawn. Large numbers of eggs were examined in order to determine the degree of variation under specific conditions. For the stages following revolution, eggs were used in which ‘hibernation’ had been prevented by exposure to low temperatures.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050530102

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Cytoplasmic structures in the ganglion cells of certain Orthoptera, with special reference to the Golgi bodies, mitochondria, ‘vacuome,’ intracellular trabeculae (trophospongium), and neurofibrillae (1932)

Beams, H. W. ; King, Robert L.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 59-95

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: The Golgi bodies of the nerve cells of the grasshopper are discrete elements composed of an osmiophilic cortex and an osmiophobic medulla. When seen in face, they appear ring-like, semicircular, or crescentic. The osmiophilic portion is interpreted as the homologue of the classical Golgi apparatus and may under certain conditions be dissolved away, leaving clear spaces homologous to the canalicular apparatus (negative image of Golgi apparatus). When the osmiophilic portion is dissolved, the osmiophobic portion remains as a definite structure which apparently has no homologue in the classical Golgi apparatus. The mitochondria are granular, rod-like, or filamentous and show no transformation into Golgi bodies. Neutral-red bodies (‘vacuome’) of two kinds have been observed, neither of which is a constant preformed structure or has any relationship to the Golgi bodies. Prolongations of the capsule (trophospongium?) of the nerve cell penetrate into the cell approximately one-third the distance to the nucleus. These are interpreted as supportive rather than nutritive in function. A basket-like net of neurofibrillae surrounds the nucleus. It is suggested that the networks described as Golgi apparatus in certain invertebrate nerve cells may really consist of these neurofibrillae.The conclusion of Parat that Golgi material consists either of mitochondria or ‘vacuome’ is rejected. The idea that all structures in the living cell which stain with neutral red (‘vacuome’) are homologous is also rejected.

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URL: http://dx.doi.org/10.1002/jmor.1050530104

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The nutrition of glochidia during metamorphosis. A microscopical study of the sources and manner of utilization of the nutritive substancesContribution no. 166. Published by permission of the United States Commissioner of Fisheries. Acknowledgment is due the staff of the Fairport Biological Station for many helpful courtesies extended during the prosecution of this inquiry. A preliminary report appears in the proceedings of the American Society of Zoölogists (Arey, '23 a). (1932)

Arey, Leslie B.

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 201-221

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Part of the nutriment of metamorphosing glochidia is supplied by the cellular host tissue, bitten by the larvae during attachment. Some of this is taken up piecemeal by the mantle cells and digested intracellularly. The coarse granules that first pack the mantle cells are apparently the precursors of a digestive secretion, some of which escapes into the mantle cavity. Here it also causes the prompt dissolution of additional utilizable host tissue.Another source of nutriment is furnished by the provisional larval adductor muscle which undergoes degenerative changes in situ, then fragments, and finally is carried away bit by bit by amoeboid cells. These turn over their muscle content to the larval mantle, where the particles are further reduced beyond recognition. The mantle remnant itself is finally sacrificed and doubtless becomes an additional source of nutriment.The gut serves as an organ of nutrition throughout the last two-thirds of the parasitic period. It appears to admit and digest pieces of the adductor muscle and certain unidentified particulate matter. In addition, the gut, like the definitive mantle and other organs, doubtless absorbs tissue transudate from the host.Special vascularization of the host tissue to facilitate the passage of nutriment from host to parasite does not occur, yet there is no reason to doubt that an appreciable part of the larval nutrition results from transuding tissue juices.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050530108

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A topographical and cytological study of the sympathetic nervous components of the suprarenal of the chick embryoThis work was done largely at the Zoölogical laboratory of the University of Kentucky during 1929 and 1930. It was completed during the author's leave of absence from the University of Kentucky, while in residence at The University of Chicago, 1930 and 1931. (1932)

Brauer, Alfred

New York, NY : Wiley-Blackwell

Journal of Morphology 53 (1932), S. 277-325

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ISSN: 0362-2525

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: A study was made of the development of the suprarenal gland of the chick with reference to the following points: 1) Topographical relationship of the sympathetic cell masses to the cortical cords, and to the sympathetic nervous system. 2) Cytological differentiation of the sympathetic cells.The migrating indifferent sympathetic cells, although becoming generally distributed over the medial surface of the cortical ridge, form a series of more prominent aggregations at certain definite loci. These aggregations are the rudiments of two longitudinal ganglionic chains, which develop from the sixth to the seventh day. Around and between the ganglionic rudiments the indifferent cell groups become penetrated by sympathetic fibers from the ganglionic rudiments as well as by fibers of sympathoblasts which develop from indifferent cells of the sympathetic-chromaffine complex. At the same time multipolar sympathetic cells lying between the cortical cords and processes to the tracts developing between the ganglia on the surface of the cortical ridge.Differentiation of ‘chromaffine cells’ from indifferent cells of the aggregations begins during the eighth day, after a profuse innervation of the rudiments has been established. Differentiation is evidenced by the appearance of cytoplasmic granules, and by the appearance of the ‘chromaffine reaction.’ The possible bearing of the innervation of the indifferent cell aggregations upon their differentiation and upon their penetration of the cortical bodies is discussed.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jmor.1050530205

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Eine neue Art komplexer Platinverbindungen Drei- und fünfwertiges Platin. IV (1932)

Rây, Prafulla Chandra ; Gupta, Sailes Chandra Sen

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 401-404

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030134

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Druckfehlerberichtigung zur III. Mitteilung (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 231-231

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: No. Abstract.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040303

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932)

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040401

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Untersuchungen über Dynamik und Katalyse der thermischen Bicarbonatzersetzung. IV. Mitteilung Versuche über Katalyse des thermischen Ca(HCO3)2. Zerfalls (1932)

Stumper, R.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 365-377

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Es wurde der Einfluß von molekulardispersen und kolloiden Lösungsgenossen, sowie von grobdispersen Zusätzen auf die thermische Zersetzung einer 0,005 n-Ca(HCO3)2-Lösung untersucht.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040405

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Innerkomplexe Verbindungen des fünfwertigen Niobs und Tantals (1932)

Rosenheim, Arthur ; Roehrich, Edgar

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 342-350

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040403

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Fritz Foerster und sein Werk (1932)

Müller, Erich

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 1-20

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040102

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Über den Oxydgehalt des Aluminiums und Methoden zu seiner Bestimmung. Bemerkungen zu der gleichnamigen Arbeit von H. Löwenstein (1932)

Hahn, Friedrich L.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 40-40

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040106

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Härte, Mikrostruktur und Temperaturkoeffizient des elektrischen Widerstandes der Eisenplatinlegierungen (1932)

Nemilow, W. A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 49-59

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040108

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Die Bildungswärmen der Nitride. Die Azotierungswärmen von Lithium, Aluminium, Beryllium und Magnesium (1932)

Neumann, B. ; Kröger, C. ; Haebler, H.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 81-96

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 13 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040111

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Zur Zersetzung der Dithionate (1932)

Tammann, G. ; Boehme, W.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 204 (1932), S. 143-144

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322040114

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Über die Zersetzungsdrucke kristallisierter Hydroxyde, insbesondere von Aluminium und Beryllium (1932)

Fricke, R. ; Severin, H.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 287-308

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Folgende kristallisierte Hydroxyde wurden isobar bei PH2O = 100 mm Hg unter röntgenographischer Kontrolle der Entwässerungsprodukte verschiedensten Grades abgebaut; Hydrargillit, Bayerit, Böhmit, Diaspor, stabil und metastabil kristallisiertes Be(OB)2. Trotz Verwendung kleinster Druckräume (0,3-0,8 cm3) und feinster Zerteilung der Präparate dauerte die Einstellung konstanter Drucke sehr lange (Wochen bis Monate). Die erhaltenen Zersetzungstemperaturen lagen alle erheblich unter den bisher in der Literatur mitgeteilten, stets vie1 schneller bestimmten Werten. Auch stimmen die aus den bisherigen Literaturwerten sich ergebenden Stabilitätsreihenfolgen in einigen Fällen nicht mit unseren Resultaten überein, und zwar da, wo die früheren Resultate auch den Befunden von Löslichkeits-, Umwandlungs- und kalorimetrischen Versuchen widersprechen.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050310

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Über die Valenzverhältnisse der Halogenide der dritten, vierten und fünften Gruppe des periodischen Systems (1932)

Fischer, Waldemar M. ; Taurinsch, Alfred

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 309-320

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050311

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932)

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050401

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Untersuchungen über Calciumaluminate. II. Die Kristallisation der Calciumaluminatlösungen bei 40° C (1932)

Assarsson, Gunnar

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 335-360

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Aus den Lösungen, die durch Mischung aus frisch bereiteten Calciumaluminatlösungen und Kalkwasser hergestellt werden, kristallisieren Bodenkörper, die optisch und analytisch untersucht worden sind.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050403

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Keto-enoltautomerie als Polymorphiemodell (1932)

Weygand, C.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 414-416

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050408

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42

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Die Kristallstruktur des β-Zirkons (1932)

Burgers, W. G.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 81-86

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Die Kristallstruktur der oberhalb 862°C stabilen β-Modifikation des Zirkons wurde röntgenographisch festgelegt. Sie ist kubisch-raumzentriert mit zwei Atomen in einer Elementarzelle mit Kante a =3,61 Å bei einer Temperatur wenig oberhalb des Übergangspunktes. Eine Röntgenkamera für die Herstellung von Drehaufnahmen von im Vakuum oder in einem beliebigen Gas glühenden Drähten wird beschrieben.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050107

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Die Affinität von Metallen zu Schwefel. II Mitteilung. Thermische Dissoziationsgleichgewichte der Sulfide von Silber, Kupfer und Arsen (1932)

Britzke, E. V. ; Kapustinsky, A. F.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 95-112

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Mit einem neuen (direkten) Verfahren zur Untersuchung der Gleichgewichte von Metallsulfiden mit Wasserstoff wurden Versuche zur Bestimmung des Gleichgewichts zwischen Wasserstoff und Silbersulfid ausgeführt und die Dissoziationsspannungen, maximale Arbeit und Wärmeeffekt der Bildung von Ag2S im Temperaturbereiche 912° bis 1067°C berechnet.

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050109

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Über das Verhalten des Poloniums bei der Kristallisation von Metallen (1932)

Tammann, G. ; v. Löwis of Menar, A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 145-162

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Das Polonium ist vor anderen Metallen ausgezeichnet durch Seine geringe Neigung zu Mischkristallbildung. Seine gesättigten Mischkristalle enthalten nur 2,31 · 10-11 bis 5,28 · 10-10 % Po.

Additional Material: 19 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322050112

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932)

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322060101

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Eine elektrometrische Methode zur Bestimmung von Unterphosphorsäure (1932)

Wolf, Ludwig ; Jung, Walter ; Uspenskaja, Lydia Penjkowa

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 125-128

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322060113

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Gleichgewichtsuntersuchungen über die Reduktions-, Oxydations- und Kohlungsvorgänge beim Eisen. XI (1932)

Schenck, Rudolf ; Franz, H. ; Laymann, A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 129-151

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 9 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322060202

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Photosynthese im tropischen Sonnenlicht. V. Reduktion von Kohlensäure, Bicarbonaten und Carbonaten (1932)

Dhar, N. R. ; Ram, Atma

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 171-173

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Kohlensäure, Carbonate und Bicarbonate konnten zu Formaldehyd reduziert werden unter Anwendung von Magnesium, Zink und Ferrocarbonat. Mit Magnesium und Zink ist die Ausbeute im Licht beträchtlich höher als im Dunkeln. Magnesiumpulver erwies sich als das beste Reduktionsmittel.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322060205

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Die Benetzungswärmen von Kohle und Silikagel in Mischungen von Wasser und Essigsäureanhydrid (1932)

Iljin, B. W. ; Oschmann, W. A. ; Rebenko, N. L. ; [et al.]

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 174-176

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322060206

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Hydrothermale Synthesen von Calciumsilikaten (1932)

Nagai, Shoichiro

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 177-195

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 19 Tab.

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Die Neutralsalzwirkung der Ferri-Jodionenreaktion. 3. Über den Einfluß von Nichtelektrolyten auf die Geschwindigkeit der Reaktion (1932)

v. Kiss, Á. ; Vass, P.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 196-208

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Source: Wiley InterScience Backfile Collection 1832-2000

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Notes: Es wird gezeigt, daß die Ferri-Jodionenreaktion auch in Gegen-wart von Nichtelektrolyten trimolekular (bimolekular für die Jodionen und monomolekular für die Ferriionen) vor sich geht.

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Über Silberferrite. V. Mitteilung. Der Alterungsprozeß des Orthoferrihydroxyds und die Konstitution des Goethits (α-FeOOH) (1932)

Krause, Alfons ; Lewandowski, A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 328-336

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Notes: Der Alterungsprozeß des Orthoferrihydroxyds wird als ein chemischer Vorgang beschrieben, mit dem zugleich kolloidchemische Veränderungen stattfinden. Die „amorphe“ und die kristallisierte eisenige Säure (γ-FeOOH) wurden näher untersucht, sowie einige Silberferrite durch ihre ferromagnetischen Eigenschaften zeichnet. Es wurden Angaben über die Konstitution und das Molekulargewicht des Goethits (α-FeOOH) gemacht.

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URL: http://dx.doi.org/10.1002/zaac.19322060314

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Über die Hydrazinate einiger Silbersalze (1932)

Gall, H. ; Roth, H.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 206 (1932), S. 369-377

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Additional Material: 2 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322060405

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Über die Wirkung von Rhodaniden auf Mercurosalze (1932)

Fialkow, J.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 235-240

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Notes: Bei Einwirkung der Rhodanide auf Mercurosalze findet eine quantitative Ausscheidung des Quecksilbers statt, welche nach folgendem Schema vor sich geht: .

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URL: http://dx.doi.org/10.1002/zaac.19322050304

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Einfluß verschiedener Stoffe auf die Peptisation von Ferriarsenat, -phosphat, -wolframat und -molybdat durch Ferrichlorid (1932)

Varma, Harkumar Prasad ; Prakash, Satya

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 205 (1932), S. 241-250

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Notes: Die Niederschläge von Ferriarsenat, -phosphat, -wolframat und-molybdat werden in merklichem Umfang durch Ferrichlorid peptisiert, wobei positiv geladene Sole dieser Stoffe erhalten werden.

Additional Material: 17 Tab.

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Zur Konstitution von Pyrosulfaten, Pyroschwefelsäure und Monohydrat. Bemerkungen zur Arbeit von A. Hantzsch: „Über Säurehydrate und Hydroxoniumsalze“ (1932)

Baumgarten, Paul

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 111-112

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URL: http://dx.doi.org/10.1002/zaac.19322070111

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932)

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URL: http://dx.doi.org/10.1002/zaac.19322070201

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Über die Bildungswärmen der Nitride. III. Die Lösungswärmen einiger Metalle und Metallnitride in Säuren (1932)

Neumann, B. ; Kröger, C. ; Kunz, H.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 133-144

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Notes: Es wurden die Lösungswärmen folgender Metalle und Nitride in Säuren bestimmt: in H2SO4 (1:12,7), Mn5N2, in HC1 (1:20) Cr, Mg, Mg3N2, Ce, CeN, La, LaN. Die Lösungswärme des Chroms konnte infolge der Komplexsalzbildung nur angenähert festgelegt werden. Die gefundenen Werte und die daraus berechneten Bildungswärmen der Nitride gibt die folgende Zusammenstellung: TextMetallLsgs.-W. des Me Cal/g-AtomL.-W. des Nitrids Cal/MolBildungswärme des Nitrids Cal/N2Mn-278,93 ± 1,4456,82Cr(50,6 ± 1,7)--Mg111,99 ± 0,14284,79 ± 0,87115,18Ce165,15 ± 0,16119,17 ± 0,23156,00La167,72 ± 0,31127,06 ± 0,18145,36

Additional Material: 1 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322070203

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Beiträge zur Kenntnis der Verbindungen des Galliums und Indiums. V. Die Eigenschaften der Galliumtrihalogenide (1932)

Klemm, Wilhelm ; Tilk, Woldemar

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 161-174

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Notes: 1. ES werden die Galliumtrihalogenide dargestellt und Schmelz- und Siedepunkte, Dichten im festen und geschmolzenen Zustand, Ausdehnungskoeffizienten und Leitfähigkeiten der Schmelzen bestimmt.

Additional Material: 4 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322070207

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Löslichkeitsbestimmung in verflüssigten Gasen. Mitteilung I: Die Löslichkeit von Kaliumnitrat in verflüssigtem Ammoniak (1932)

Schattenstein, A. J. ; Monossohn, A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 204-208

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Notes: 1. Es wurde das Verfahren von RUFF zur Bestimmung der Löslichkeit von festen Stoffen in verflüssigten Salzen geprüft und verfeinert.

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URL: http://dx.doi.org/10.1002/zaac.19322070211

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Aktive Oxyde. LI. Die Hydrate, Methanolate und Pyridinate des Zinkoxalats (1932)

Hüttig, Gustav F. ; Klapholz, Bruno

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 225-233

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Additional Material: 1 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322070302

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Zur Frage der osmotischen (permutoiden) Bindung des Wassers in Oxydhydraten und ähnlichen Verbindungen (1932)

Heymann, Erich

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 257-267

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Notes: Um die Natur komplizierter Systeme zu erforschen, hat man stets Analogien zu den Gesetzmäßigkeiten einfacherer und theoretisch besser durchsichtiger Systeme gesucht und aus dem Grad der Annäherung an diese Gesetzmäßigkeiten Schlüsse gezogen. Für die vorliegenden Systeme war die formale Analogie zu den ideal verdünnten Lösungen so einleuchtend, daß dies HÜTTIG bewog, die Gesetzmäßigkeiten der letzteren in den Vordergrund zu stellen. Es ist im vorangegangenen gezeigt worden, daß einmal die Voraussetzungen für die Gültigkeit der idealen osmotischen Gesetze in diesen Systemen nicht gegeben sind, daß aber die an den von HÜTTIG charakterisierten Systemen gewonnenen experimentellen Ergebnisse in Analogie stehen zu den Erfahrungen an kondensierten idealen Gemischen, eine Betrachtungsweise, die gleichzeitig ein wichtiges Charakteristikum für die osmotischen Systeme, wenigstens für deren Idealfälle (K = 1) liefert. (Die Analogie zu den quellbaren Gelen, denen sie ihrem äußeren Habitus entsprechend am nächsten stehen, ließ sich wegen der ungenügenden Kenntnis von deren Gesetzmäßigkeiten nicht durchführen.)

Additional Material: 1 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322070307

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932)

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URL: http://dx.doi.org/10.1002/zaac.19322070401

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Untersuchungen über Dynamik und Katalyse der thermischen Bicarbonatzersetzung in wäßriger Lösung. VII. Mitteilung. Der Bicarbonatzerfall in siedenden Calcium-, Strontium- und Bariumbicarbonatlösungen (1932)

Stumper, R.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 208 (1932), S. 46-52

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Notes: 1. Die Zersetzungsversuche an 0,0025, 0,005 und 0,010 n-Ca(HCO3)2-, Sr(HCO3)2- und Ba(HCO3)2-Lösungen im und ohne Gasstrom ergaben übereinstimmend die Reihenfolge fallender Zerfallsgeschwindigkeiten: Sr(HCO3)2, Ca(HCO3)2, Ba(HCO3)2, die mit der Reihenfolge steigender Löslichkeit der entsprechenden Carbonate übereinstimmt.

Additional Material: 3 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322080106

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Gleichgewicht im System (NH4)2SO4—Th(SO4)2—H2O (1932)

Rosenheim, Arthur ; Zickermann, Johannes

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 208 (1932), S. 95-99

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URL: http://dx.doi.org/10.1002/zaac.19322080112

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Optische Untersuchung zur Reaktion von Polyhydroxyden mit Schweizer's Reagens (1932)

Rosenblatt, Fritz

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 217-224

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Notes: Mittels Absorptionsmessungen im Sichtbaren wird die Reaktion von Polyhydroxyverbindungen mit SCHWEIZER's Reagens bzw. Kupferdiäthylendiamin-hydroxyd daraufhin geprüft, ob sie nach der bisher üblichen Formulierung : oder einfacher nach der Gleichung (2) erfolgt:

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URL: http://dx.doi.org/10.1002/zaac.19322070213

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Röst- und Reduktionsverhalten von Spateisensteinen (1932)

Klärding, Josef

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 246-250

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Additional Material: 4 Ill.

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Über Nichtmetall-Halogenverbindungen. III. Sättigungsdrucke des Bortrifluorids (1932)

Pohland, E. ; Harlos, W.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 242-245

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Notes: Bortrifluorid wird nach verschiedenen Verfahren rein dargestellt, Sättigungsdrucke werden gemessen, Schmelz- und Siedepunkt bestimmt. Die flüchtige Verbindung BF3·HCN wird beschrieben und durch Dissoziationsdrucke charakterisiert.

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URL: http://dx.doi.org/10.1002/zaac.19322070304

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Die Bestimmung des Indiums und Galliums mit 8-Oxychinolin (1932)

Geilmann, W. ; Wrigge, Fr. W.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 129-138

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Notes: Indium und Gallium können durch Fällung mit 8-Oxychinolin bestimmt werden. Infolge der günstigen chemischen und mechanischen Eigenschaften der Niederschläge sind die auftretenden Fehler gering und die Bestimmungsmethode ist der üblichen Fällung als Hydroxyd überlegen.

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URL: http://dx.doi.org/10.1002/zaac.19322090204

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Zur Konstitution und Reaktion von organischen und besonders von tautomeren Verbindungen (1932)

Hantzsch, A.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 213-224

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Notes: Tautomere Stoffe, d. h. solche, die mit anderen Stoffen isomere Reaktionsprodukte (meist Alkyl- oder Acylderivate) erzeugen, sind nicht, wie noch jetzt vielfach angenommen wird, im festen Zustand inhomogene Gleichgewichte. Solche Gleichgewichte bestehen allerdings bisweilen im flüssigen und noch häufiger im gelösten Zustand, aber stets nur bei Wasserstoffverbindungen durch Wanderung dieses beweglichsten Atoms zwischen Sauerstoff und Stickstoff, niemals aber bei Alkaliverbindungen, die stets nur Sauerstoffsalze bilden, auch wenn letztere nicht O-Ester, sondern C- oder N-Alkylderivate erzeugen. Isomere Salze bilden nur einige Schwermetalle, wie Quecksilber. Kohlenstoffsalze und Stickstoffsalze der Alkalimetalle mit den Gruppen KC—NO2 und KN—CO sind nicht bekannt; ihre Nichtexistenz darf daher angenommen werden; ebensowenig darf aus der Existenz ihrer Alkylderivate mit den Gruppen CH3C—NO2 und CH3N—CO auf die Existenz dieser Kohlenstoff- bzw. Stickstoffsalze geschlossen werden.

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URL: http://dx.doi.org/10.1002/zaac.19322090209

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Die Bildungswärmen von Halogenidphosphinen. 3. Mitteilung über Phosphoniakate (1932)

Höltje, Robert

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 241-248

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Notes: Die Bildungswärme der Phosphine von Halogeniden des Ti, Sn und Al wird kalorimetrisch gemessen durch direkte Bestimmung der bei der Reaktion Halogenid + PH3 = Phosphin frei werdenden Wärme. Das Kalorimeter ist so eingerichtet, daß es für Messungen zwischen -20° und +70° geeignet ist. Die erhaltenen Bildungswärmen werden miteinander und mit denen der Thiohydrate verglichen. Die Phosphine sind in allen Fällen stabiler als die entsprechenden Thiohydrate. Der Unterschied zwischen beiden Stoffklassen ist um so größer, je stärker polarisierend das Kation des Halogenids wirkt.

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Beiträge zur Chemie des Germaniums. XI. Mitteilung. Trichlormonogerman und Germaniumoxychlorid (1932)

Schwarz, Robert ; Heinrich, Fritz

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 273-276

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Additional Material: 1 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322090309

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Über Legierungen des Palladiums mit Eisen (1932)

Grigorjew, A. T.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 295-307

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Additional Material: 9 Ill.

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URL: http://dx.doi.org/10.1002/zaac.19322090313

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Über die Endpunktsverschiebung bei der Titration von Borsäure- und Mannit-Borsäure-Lösungen (1932)

Hahn, Friedrich L. ; Klockmann, Rudolf ; Schulz, Richard

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 208 (1932), S. 213-216

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Über den Verlauf der Reaktion im festen Zustande zwischen Kalk und Kieselsäure (1932)

Weyer, I.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 409-428

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Notes: Die Gesamtheit der angestellten Beobachtungen und Versuchsbrände ergibt folgendes Bild der Mineralentstehung aus trockenen Gemengen der Zusammensetzung 1 CaO : 1 SiO2.

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76

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Aktive Oxyde. LV. Die Entwässerung von Hydrogelen in Gegenwart verschiedener Gase (1932)

Hüttig, Gustav F. ; Strial, Kurt

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 249-256

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Additional Material: 1 Ill.

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Beiträge zur Kenntnis des Bleikammerprozesses. III. Synthese der Nitrosylschwefelsäure aus saurem Silbersulfat und Nitrosylbromid (1932)

Berl, E. ; Becker, F. ; Begerow, W.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 264-266

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Über Größenverhältnisse einiger komplexen Anionen und Gitterdimensionen Werner'scher Einlagerungsverbindungen vom Fluorit- bzw. Yttriumfluoridtypus (1932)

Hassel, O. ; Kringstad, H.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 281-288

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090311

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Über Legierungen des Palladiums mit Antimon (1932)

Grigorjew, A. T.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 308-320

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 15 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090314

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Bemerkung zur Systematik der seltenen Erden (1932)

Klemm, Wilhelm

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 321-324

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090315

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Über die Legierungen des Galliums mit Zink, Cadmium, Quecksilber, Zinn, Blei, Wismut und Aluminium (1932)

Puschin, N. A. ; Stepanović, S. ; Stajić, V.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 329-334

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Die Zustandsdiagramme der Legierungen von Galium mit Zn, Cd, Hg, Sn, Pb, Bi und Al wurden ausgearbeitet.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090318

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Vergleich der aus Schmelze und Lösung gewonnenen intermetallischen Verbindung AuCd3 (1932)

Thiessen, P. A. ; Heumann, J.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 325-327

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Der beim Eintauchen von metallischem Cadmium in eine sehr verdünnte Lösung von Goldschlorid entstehende Niederschlag ist nicht nur in seiner Zusammensetzung, sondern auch in seiner röntgenographisch verglichenen Struktur identisch mit der intermetallischen, aus der Schmelze entstandenen Verbindung AuCd3.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090316

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83

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Beitrag zur Kenntnis der Doppelverbindungen des Zirkonsulfates (1932)

Trapp, Hans

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 335-336

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090319

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84

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Über Molekular- und Atomvolumina. 34. Tieftemperaturdichten einiger Halogenide von Elementen der vierten bis sechsten Gruppe (1932)

Blitz, Wilhelm ; Sapper, Adolf

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 277-306

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030125

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Über Molekular- und Atomvolumina. 35. Volumetrische Dichtebestimmungen an kleinen Substanzmengen (1932)

Sapper, Adolf

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 307-311

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Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030126

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86

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Beiträge zur Kenntnis der schwefligen Säure und ihrer Salze. X. Die Zersetzung der schwefligen Säure unter katalytischer Einwirkung von Jodion (1932)

Foerster, F. ; Gruner, Erhard

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 245-270

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Die Zersetzung der schwefligen Säure nach 3H2S03 → 2H2SO4 + S + H2O verläuft über Thiosulfat bzw. Polythionate und wird, wie bisher bekannt, von Thiosulfat bzw. freiem Schwefel katalytisch beschleunigt, von H. aber verzögert bzw. bei größerer H.-Konzentration sogar verhindert. Jodion befördert, wie die vorliegenden Untersuchungen lehren, katalytisch die Umsetzung, und zwar dadurch, daß sowohl die Entstehung des schwefelhaltigen Katalysators, als welcher jetzt vor allem das Trithionat erkannt wurde, beschleunigt wird, als auch dadurch, daß die hemmenden Wirkungen der H. vermindert oder beseitigt werden.

Additional Material: 14 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030123

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87

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Über Molekular- und Atomvolumina. 36. Die Dichte von Kupferoxydul (1932)

Wilhelm Wrigge, Friedrich ; Meisel, Karl

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 312-320

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Es sind eine Reihe verschieden hergestellter und behandelter Kupferoxydulpräparate röntgenographisch vermessen worden. Als mittlere Werte wurden erhalten:aw= 4,259±0,002 Âd = 6,11 ± 0,01 g/cm3.Unterschiede in den Dichten, wie sie bei pyknometrischen Messungen erhalten wurden, traten nicht auf.

Additional Material: 5 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030127

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Über Molekular- und Atomvolumina. 39. Berechnung der Volumina technischer Gläser (1932)

Biltz, Wilhelm ; Weibke, Friedrich

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 345-364

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 19 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030130

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Über Molekular- und Atomvolumina. 38. Volumina einiger Silicate (1932)

Blitz, Wilhelm ; Lemke, Alfred

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 330-344

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 6 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030129

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90

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Über Molekular- und Atomvolumina. 37. Tieftemperaturvolumina kristallisierter Wasserstoffverbindungen der vierten bis siebenten Gruppe (1932)

Blitz, Wilhelm ; Lemke, Alfred

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 321-329

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030128

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91

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Überführungsversuche an Gläsern (1932)

Schwarz, Robert ; Halberstadt, Josef

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 203 (1932), S. 365-372

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Es werden Methoden beschrieben, die Überführungsversuche an Gläsern bei hohen Temperaturen gestatten. Die Gültigkeit des FARADAY'schen Gesetzes zeigt im Rahmen der Versuchsfehler, daß in reinem Natronglas bis 600° nur Natriumionen praktisch am Stromtransport teilnehmen. Auch in Thüringer Glas wandern bis 620° nur Natriumionen. Es wird gezeigt, daß die Kaliumionen unbeweglich bleiben.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322030131

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92

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Beiträge zur systematischen Verwandtschaftslehre. 58. Beiträge zur Kenntnis der Verbindungen des Galliums und Indiums. VIII. Die Ammoniakate der Galliumhalogenide (1932)

Klemm, Wilhelm ; Tilk, Woldemar ; Jacobi, Helmut

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 187-203

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Es wurden die im Gleichgewicht beständigen Ammoniakate der Galliumhalogenide festgestellt und ihre Bildungswärmen ermittelt.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322070210

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932)

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322070301

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94

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Über die Einwirkung von Kohle auf gelöste Schwermetalle, insbesondere auf Platinchlorid (1932)

Heymann, Erich

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 251-256

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Durch chemische und röntgenographische Untersuchung wird gezeigt, daß beim Behandeln von Platinchloridlösungen mit Kohle bei Zimmertemperatur zunächst eine hydrolytische Adsorption eines Platinoxyds stattfindet; eine Reduktion zu metallischem Platin findet erst bei 100° statt.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322070306

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Der innere Aufbau fester anorganischer Verbindungen bei höheren Temperaturen. V. Mitteilung. Elektrisches Leitvermögen, Diffusionsfähigkeit und Reaktionsvermögen von Magnesiumorthosilikat und Magnesiumorthogermanat im festen Zustande (1932)

Jander, Wilhelm ; Stamm, Wilhelm

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 289-307

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322070310

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96

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Hydrothermale Synthesen von Calciumsilikaten. II (1932)

Nagai, Shoichiro

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 207 (1932), S. 321-339

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Hydrothermalversuche an Gemengen aus Calciumcarbonat und Kieselsäure entsprachen in ihren Ergebnissen sehr nahe denen an Gemengen aus CaO nnd SiO2; nur wird bei niedrigeren Temperaturen etwas weniger Silikat gebildet als im oxydischen Gemenge.

Additional Material: 21 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322070402

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97

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Hexachloroseleneate (1932)

Petzold, Walter

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 267-272

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Das Gleichgewicht SeO2 + 4 HCl ⇄ SeCl4 +2 H2O liegt in stark salzsaurer Lösung soweit nach rechts, daß aus diesen Lösungen Hexachloroseleneate erhalten werden können. Sieben Salze dieser Art wurden hergestellt und analysiert. Auf Grund ihrer Eigenschaften sind sie Salzen vom Typus der Hexachloroplateate zuzuordnen.

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090308

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Masthead (1932)

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932)

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090401

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99

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Die Umwandlung der β-Mischkristalle des Messings (1932)

Ruer, R.

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 364-368

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090404

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100

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Spektralanalytische Untersuchungen. XI. Mitteilung. Neue Beiträge zur Methode der quantitativen und qualitativen Spektralanalyse (1932)

Gerlach, Walther ; Ruthardt, Konrad

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 209 (1932), S. 337-355

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ISSN: 0863-1786

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1. Als neue und besonders vorteilhafte Entladungsmethode zur Spektralanalyse von Metallen und Lösungen wird der Abreißbogen erkannt.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/zaac.19322090402

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