New static apparatus and vapor pressure of reference materials: Naphthalene, benzoic acid, benzophenone, and ferrocene

被引:156
作者
Monte, MJS
Santos, LMNBF
Fulem, M
Fonseca, JMS
Sousa, CAD
机构
[1] Univ Porto, Fac Sci, Dept Chem, Ctr Invest Quim, P-4169007 Oporto, Portugal
[2] Acad Sci Czech Republ, Inst Phys, CZ-16253 Prague 6, Czech Republic
关键词
D O I
10.1021/je050502y
中图分类号
O414.1 [热力学];
学科分类号
摘要
A new static apparatus, capable of measuring vapor pressures in the range (0.4 to 133) Pa and in the temperature range (243 to 413) K, is fully described. The performance of the new apparatus was checked by measuring the vapor pressures of four compounds recommended as reference materials for the measurement of vapor pressure-naphthalene, benzoic acid, benzophenone, and ferrocene. A recommended value for the enthalpy of sublimation of benzophenone, Delta(g)(cr)(298.15 K) = (95.1 +/- 1.9) kJ center dot mol(-1), is suggested.
引用
收藏
页码:757 / 766
页数:10
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