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) = (ร22 806 AE 820)/T(K) (24.52 AE 1.08). The mean sublimation enthalpy at 764 K is (190 AE 7) kJ/mol.
โฆ LIBER โฆ
Thermodynamic studies in high temperature chemistry by Knudsen cell mass spectrometry
โ Scribed by J. Drowart
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 209 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0020-7381
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## Abstract For Abstract see ChemInform Abstract in Full Text.
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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