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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 169-173 
    ISSN: 0044-2313
    Keywords: Bismutselenidechlorides ; phase diagram ; barogram ; total pessure measurements ; thermodynamic data ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations on the Pseudobinary System Bi2Se3/BiCl3The phase diagram of the pseudobinary system Bi2Se3/BiCI3 was investigated by DTA, total pressure measurements and x-ray phase analysis. The two ternary phases BiSeCI and Bi8Se9CI6 melt incongruently at 395 and 540 degree, respectively. Heats of formation and standard entropies were calculated from vapor pressure data. The data see «Inhaltsübersicht».
    Notes: Aus den Ergebnissen von DTA-Untersuchungen, Gesamtdruckmessungen mit dem Membrannullmanometer und der Röntgenphasenanalyse wurde das Phasendiagramm des quasibinären Systems Bi2Se3/BiCl3 aufgestellt. Im System existieren die beiden ternären Phasen BiSeCl und Bi8Se9Cl6, die peritektisch bei 395 bzw. 540°C schmelzen. Die Auswertung der Koexistenzzersetzungsdruckfunktionen ergab die Bildungsenthalpien und Standardentropien: ΔH°B (BiSeClf,298) = -43,4 ± 1,5 kcal/mol.S° (BiSeClf,298) = 34,7 ± 2,2 cal/K · mol.ΔH°B (Bi8Se9Cl6,f,298) = -292,7 ± 6,0 kcal/mol.S° (Bi8Se9Cl6,f,298) = 269,7 ± 6,0 cal/K · mol.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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