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Thermodynamic studies in high temperature chemistry by Knudsen cell mass spectrometry

โœ Scribed by J. Drowart


Publisher
Elsevier Science
Year
1982
Weight
209 KB
Volume
45
Category
Article
ISSN
0020-7381

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๐Ÿ“œ SIMILAR VOLUMES


An evaporation study of C76 by Knudsen c
โœ Olga V. Boltalina; Vitaliy Yu. Markov; Andrey Ya. Borschevskii; Lev N. Sidorov; ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 73 KB

The vapour pressure of pure C 76 and its sublimation enthalpy have been determined by Knudsen cell mass spectrometry in the temperature range 637-911 K. The temperature-pressure equation is ln p(Pa) = (ร€22 806 AE 820)/T(K) (24.52 AE 1.08). The mean sublimation enthalpy at 764 K is (190 AE 7) kJ/mol.

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## Knudsen cell mass spectrometry has been used to determine the gaseous species in thermodynamic equilibrium with admixtures of carbon and alkali metal salts. Both halides and carbonates were used as additives. In addition to measurements of equilibrium vapor pressures, the effect of added steam