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  • Inorganic Chemistry  (4)
  • [abr] s-GOT; soluble glutamic oxaloacetic transaminase  (4)
  • Iron  (2)
  • Lophosoria quadripinnata  (2)
  • 11
    Electronic Resource
    Electronic Resource
    Zum Polymorphismus zwischen Greigit und Smythit (Fe3S4) (1972)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 392 (1972), S. 191-192 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the polymorphic relation between Greigite and Smythite (Fe3S4)Cubic greigite Fe3S4 is elongated along its[111] axis in an electrostatic field. The distorted lattice thus formed corresponds to the hexagonal smythite. Greigite as well as smythite remain stable only in a state of fine crystallites (grain size: about 300 Å). On trying to grow up these crystallites, both of them transform into the coarse by granular pyrrhotite (about 1000 Å).
    Notes: In einem elektrostatischen Feld dehnt sich der kubische Greigit Fe3S4 nach der [111]-Achse aus. Das auf diese Weise entstandene verzerrte Gitter entspricht dem des hexagonalen Smythites. Sowohl Greigit als auch Smythit sind nur im feinkristallinen Zustand (Korngröße: etwa 300 Å) beständig. Versucht man, sie wachsen zu lassen, dann wandeln sie sich beide in den grobkörnigen Magnetkies (etwa 1000 Å) um.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19723920212
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  • 12
    Electronic Resource
    Electronic Resource
    Bildung des ferromagnetischen Fe2S3 (1973)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 397 (1973), S. 222-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Formation of Ferromagnetic Fe2S3Fe2S3 belongs to the space group Fd3m of spinel type, possesses lattice size 9.87 Å, and shows ferromagnetism. It is formed by hydrothermal treatment of precipitated iron sulfide. Crystallographic analysis was carried out in referring to γ-Al2O3.
    Notes: Fe2S3, das zur Raumgruppe Fd3m vom Spinelltyp gehört (Gitterkonstante 9,87 Å) und ferromagnetisch ist, bildet sich durch hydrothermale Behandlung von gefälltem Eisensulfid. Die kristallographische Analyse (Elektronenbeugung) wurde durch Vergleich mit γ-Al2O3 durchgeführt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19733970217
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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