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  • Electronic Resource  (5)
  • 1965-1969  (5)
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  • Electronic Resource  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    New variations of the chromatographic production of high-purity gases and vapors (1965)
    Springer
    Russian chemical bulletin 14 (1965), S. 204-209 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary 1. The production of especially pure substances using new variations of gas Chromatography-thermal displacement, quasi-displacement, and others- was described. 2. The results of the use of the “chromatographic system” for the solution of preparative problems are set forth. The essence of the method consists of the combination of Chromatographic partitioning with a chemical reaction in one apparatus and in one unified process. 3. New chromatographic methods have been developed for the study of the equilibrium system of solid and mixture of gases and vapors and the system of liquid and mixture of gases and vapors. 4. The promising nature of the isotopic chromatography (radiochromatography) developed, as applied to monitoring of the purity of substances produced by chromatographic separation, has been demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00845580
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pulsed chromatographic study of the poisoning of a bismuth-molybdenum catalyst of the oxidative dehydrogenation of isoamylenes (1968)
    Springer
    Russian chemical bulletin 17 (1968), S. 2370-2376 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusions 1. The influence of treatment of a Bi-Mo catalyst with quinoline on the oxidative dehydrogenation and isomerization of isoamylenes was studied by a pulsed chromatographic method. 2. The measured activation energies on poisoned and unpoisoned catalysts indicate an inhomogeneity of the catalytic surface. The logarithm of the relative rate constant of oxidative dehydrogenation drops as a linear function of the amount of poison introduced. 3. Quinoline most strongly suppresses profound oxidation, then oxidative dehydrogenation, and has the least effect on isomerization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00903383
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Chemical reactions in a chromatographic partitioning system (1965)
    Springer
    Russian chemical bulletin 14 (1965), S. 1293-1300 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusions 1. A theoretical analysis shows that under the conditions of Chromatographie separation, chemical reactions of various phase types acquire certain general characteristics-a shift of the equilibria, downward expansion of the temperature region, elimination of a number of side processes. 2. An experimental verification of the conclusions of the theory, with the catalytic dehydrogenation of cyclohexane and butane as an example, using pulsed and radiochromatography, confirmed the correctness of these conclusions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00846181
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Study of the chemisorption of mixtures of acetone with oxygen on nickel monoxide by the method of infrared spectroscopy (1968)
    Springer
    Russian chemical bulletin 17 (1968), S. 697-701 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusions 1. It may be concluded on the basis of the IR spectra obtained that the adsorption of mixtures of acetone with oxygen is accompanied by a number of chemical conversions on the surface of NiO, which leads to “hyperadditivity” in the case of adsorption. 2. The nature of the surface compounds formed during adsorption depends upon the order of admission of the components of the mixture. 3. The adsorption of a mixture of acetone and oxygen is characterized by the formation of enolate and molecular complexes of acetone, coordination-bonded water, and a surface carboxyl ion. 4. The process of formation of surface complexes at room temperature is of a “dead end” nature. 5. The greatest intensity of chemical conversions on the surface of NiO in the case of simultaneous adsorption of acetone and oxygen may be explained by the “presorption effect.”
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00905734
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Investigation of the hydrogenation of divinyl and dehydrogenation of butylene on platinum catalysts by a pulsed chromatographic method (1969)
    Springer
    Russian chemical bulletin 18 (1969), S. 528-533 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusions 1. The process of dehydrogenation of butylene to divinyl on applied Pt-catalysts is accompanied by processes of cracking, autohydrogenation, and the formation of nonvolatile products. 2. In the reaction of hydrogenation conducted in a pulsed system at temperatures up to 300°C, substantial deviations from the equilibrium yields, associated with separation of H2 and C4H6 in the layer, are observed. 3. The realization of the dehydrogenation of butylene in a Chromatographic system is prevented by the approach of the adsorption coefficients of the separation of H2 and C4H6 with increasing temperature, as well as the decelerated decomposition of hydrocarbonproducts, accompanied by a liberation of hydrogen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00906971
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    Paper (German National Licenses)
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