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  • Chemistry  (29)
  • 1955-1959  (29)
Document type
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Über die Schmierfähigkeit organischer MolybdänverbindungenHerrn Professor Dr. Dr. h. c. Stefan Goldschmidt zum 70. Geburtstage (1959)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 92 (1959), S. 2163-2171 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wurde versucht, die Verbesserung der Schmierwirksamkeit von Mineralölen bei Zusatz organischer Molybdänverbindungen, bei gleichzeitigem Vorhandensein von Schwefel, zu deuten. Da die Bildung von Molybdän-oxy-sulfiden durch thermische Zersetzung der organischen Molybdänverbindungen wahrscheinlicher ist als eine Bildung von MoS2, wurden Molybdän-oxy-sulfide dargestellt und auf ihre Schmierfähigkeit untersucht. Molybdän-oxy-disulfid besitzt gute Schmiereigenschaften; bei der thermischen Zersetzung organischer Molybdänverbindungen bildet sich daher wahrscheinlich schmieraktives Molybdän-oxy-sulfid.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19590920931
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Differential heats of condensation and enthalpies of saturated liquid hydrocarbon mixtures (1956)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 389-392 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: By use of saturated-vapor enthalpies determined by accepted procedures in conjunction with differential latent heats of condensation, the saturated-liquid enthalpies are established for the system methane-ethane at 200, 400, and 600 lb./sq. in. abs. and for the system ethane-n-butane and propane-n-butane at the two lower pressures. Where comparison is possible, the liquid-enthalpy values obtained by this method are in general agreement with those previously determined by Edmister and Canjar. The procedure used is thermodynamically rigorous and may be applied to any binary mixture, provided the Benedict-Rubin-Webb equation of state is valid in the vapor phase and P-V-T-x data are available.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690020319
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of l-butene (1955)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 1 (1955), S. 210-214 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The thermodynamic properties of 1-butene have been calculated over a temperature range of 32° to 480°F. and at pressures up to 1,000 lb./sq. in. abs. These properties were determined from vapor-pressure, volumetric, heat-capacity, and latent-heat of vaporization data through the application of rigorous thermodynamic relationships. The calculated data have been found to be internally consistent. The enthalpy values are believed to be accurate to within ±0.5 B.t.u./lb. and the entropy values to ±0.0005 B.t.u./(lb.) (°R.).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690010213
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  • 4
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of acetylene (1959)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 5 (1959), S. 17-19 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The derived thermodynamic properties of acetylene have been determined over a temperature range of 32 to 500°F. and up to pressures of 2,000 lb./sq. in. abs. The data were calculated from vapor pressure, volumetric, and heat-capacity data by the use of rigorous thermodynamic relationships. The calculated data were found to be internally consistent. The enthalpy values are believed to be accurate within ±1.0 B.t.u./lb. and the entropy values to ±0.001 B.t.u./(lb.)(°R.).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690050105
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  • 5
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of n-hexane (1956)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 514-517 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Thermodynamic properties of n-hexane have been calculated over a temperature range of 32° to 540°F. and up to a pressure of 600 lb./sq. in. abs. These properties were determined from vapor pressure, volumetric, heat capacity, and latent heat of vaporization data through the application of rigorous thermodynamic relationships. The calculated data have been found to be internally consistent. The enthalpy values are believed to be accurate to within 0.5 B.t.u./lb. and the entropy values to 0.0005 B.t.u./(lb.)(°R.).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690020417
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  • 6
    Electronic Resource
    Electronic Resource
    Evaluation of the heat requirements in batch distillation operations (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 391-394 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A rigorous method is presented for the evaluation of the heat requirements in binary batch fractionations which involve negligible column hold up. The method, in which the additional variables of the discontinuous process are taken into account, is a modification of the methods of Ponchon and Savarit for continuous operation. Two examples, one for a fractionation in which the composition of the product is constant and the other in which the reflux ratio is constant, are given as illustrations of the method.The application of the method permits more accurate evaluation of reboiler and condenser heat loads and, in turn, better design.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030320
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  • 7
    Electronic Resource
    Electronic Resource
    Theorem of corresponding states applied to saturated liquids and vapors (1956)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 354-359 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The existence of a single generalized compressibility-factor relationship for univariant systems has long been denied because reduced variables do not provide a generalized vapor-pressure relationship. The present study demonstrates that a saturation curve depends on the ability of the theorem of corresponding states to correlate the reduced temperature as a function of reduced, pressure and the critical compressibility factor. Saturation curves for both the liquid and the vapor phases are established from compressibility data on a variety of systems, substantiating this conclusion.The compressibility factors of saturated mixtures are correlated with pseudoreduced properties based upon Kay's pseudocritical concept. The results indicate that the compressibility factors of saturated liquid mixtures can be predicted with reasonable precision over the entire two-phase region. For pseudoreduced isotherms of unity and above, the same isotherms apply to both phases and are approximately consistent with published compressibility charts for pure gases.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690020312
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  • 8
    Electronic Resource
    Electronic Resource
    Bildung von Ammoniak im Kupferturm nach Meyer und Ronge (1955)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 67 (1955), S. 427-428 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19550671614
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  • 9
    Electronic Resource
    Electronic Resource
    Darstellung höherer Pseudohalogen-Sulfane (1955)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 67 (1955), S. 231-231 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19550670803
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Beiträge zur Chemie des Schwefels, 49. Über die homologe Reihe der Cyansulfane Sn(CN)2 (1958)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 91 (1958), S. 642-650 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Raman-Spektren der bereits bekannten, in der Literatur als S(CN)2, (SCN)2, S(SCN)2 und S2(SCN)2 formulierten Verbindungen wurden aufgenommen. - Erstmalig dargestellt und ebenfalls ramanspektroskopisch untersucht wurden S5(CN)2, S6(CN)2, S7(CN)2 und S8(CN)2. - Alle genannten Verbindungen - außer S(CN)2 - lassen sich nach dem Schema \documentclass{article}\pagestyle{empty}\begin{document}$$ {\rm S}_{\rm n} {\rm X}_{\rm 2} + {\rm Hg(SCN)}_{\rm 2} \to {\rm S}_{{\rm n + 2}} {\rm (CN)}_{\rm 2} +{\rm HgX}_{\rm 2}\quad\quad({\rm X = Cl,\, Br}) $$\end{document} gewinnen. - Aus der Darstellung und aus den Raman-Spektren geht hervor, daß es sich bei den untersuchten Substanzen um Glieder einer homologen Reihe kettenförmiger Verbindungen handelt, die in Analogie zu anderen Sulfanderivaten als Cyansulfane NC—Sn—CN formuliert werden können.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19580910326
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