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  • Chemistry  (7)
  • 1955-1959  (7)
  • 1956  (7)
Document type
Publisher
Years
  • 1955-1959  (7)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 389-392 
    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
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  • 2
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 514-517 
    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
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  • 3
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 354-359 
    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
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 39 (1956), S. 323-323 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 89 (1956), S. 1994-1999 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Eine gut reproduzierbare Synthese von o-Diacetyl- benzol wird angegeben. Es bildet nicht nur, wie bekannt war, mit gewissen Aminosäuren, insbesondere mit Glycin und α-Alanin, einen violettblauen Farbstoff, sondern auch mit allen untersuchten primären aliphatischen Aminen. Daher eignet es sich besonders zum Nachweis der aus α-Aminosäuren durch Decarboxylierung hervorgehenden Amine. Ferner reagiert es in gleicher Weise mit vielen primären aromatischen und einigen heterocyclischen Aminen.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 284 (1956), S. 73-82 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Einkristallaufnahmen von Natriumamid und ihre Auswertung durch Patterson- und Fourier-Synthese haben zu folgenden Ergebnissen geführt:Natriumamid kristallisiert rhombisch mit den Gitterkonstantena = 8,044 b = 8,911 c = 10,406 kX.Raumgruppe D242h mit 16 Formeleinheiten im Elementarkörper. Es sind folgende Punktlagen besetzt:Na in (16 g) mit z = 0,142NH2 in (16 e) mit x = 0,233.Die NH2-Ionen bilden eine stark deformierte, kubisch dichte Anordnung, die Natrium-Ionen befinden sich in Tetraederlücken.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 286 (1956), S. 205-210 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Bei der Reaktion von Hydrazin mit Phosgen im Vakuum entstehen 53 Molproz. Hydrazindihydrochlorid, 40 Molproz. Carbohydrazid und 7 Molproz. Hydrazidicarbohydrazid; Spuren von Hydrazincarbonsäure werden nachgewiesen. Eine Deutung des Reaktionsverlaufs wird gegeben.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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