Comprehensive Study of Vapor Pressures and Enthalpies of Vaporization of Cyclohexyl Esters

Vapor pressures and standard molar enthalpies of vaporization were determined for five cyclohexyl esters:  cyclohexyl formate, cyclohexyl acetate, cyclohexyl propanoate, cyclohexyl butyrate, and cyclohexyl valerate. The data were obtained from the temperature dependence of the vapor pressure measure...

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Published inJournal of chemical and engineering data Vol. 48; no. 6; pp. 1393 - 1400
Main Authors Zaitsau, Dzmitry H, Verevkin, Sergey P, Paulechka, Yauheni U, Kabo, Gennady J, Sevruk, Viktor M
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 01.11.2003
Subjects
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
Mixtures
Thermodynamic properties
Knudsen effusion
Ester
Transpiration
Vapor pressure
Enthalpy
Heat of vaporization
Temperature effect
Calorimetry
Thermal analysis
Measurement method
Thermodynamic properties
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Summary:Vapor pressures and standard molar enthalpies of vaporization were determined for five cyclohexyl esters:  cyclohexyl formate, cyclohexyl acetate, cyclohexyl propanoate, cyclohexyl butyrate, and cyclohexyl valerate. The data were obtained from the temperature dependence of the vapor pressure measured by the Knudsen and the transpiration methods. Additionally, the standard molar enthalpies of vaporization of the same cyclohexyl esters were measured calorimetrically. An analysis of the results obtained from three independent methods has allowed us to improve the determination of the enthalpies of vaporization by the Knudsen effusion method.
Bibliography:istex:F7ADBFC9F88D32501059E04F897C3528BEC04B5B
ark:/67375/TPS-QVC1029Q-W
ISSN:0021-9568
1520-5134
DOI:10.1021/je025634v