Excess Molar Enthalpies of Propyl Propanoate + 1-Hexanol + Benzene at the Temperatures 25 °C and 35 °C

As a part of our calorimetric studies, we have measured the excess molar enthalpies of the ternary system {(x 1)propyl propanoate + (x 2)1-hexanol + (1 − x 1 − x 2)benzene} and of their corresponding binary mixtures at 25 °C and 35 °C and atmospheric pressure, over the whole composition range. The e...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2003-07, Vol.48 (4), p.763-767
Main Authors: Casas, Herminio, Jiménez de Llano, Julieta, García-Garabal, Sandra, Segade, Luisa, Franjo, Carlos, Jiménez, Eulogio, Legido, Jose L
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
Mixtures
Thermodynamic properties
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Summary:As a part of our calorimetric studies, we have measured the excess molar enthalpies of the ternary system {(x 1)propyl propanoate + (x 2)1-hexanol + (1 − x 1 − x 2)benzene} and of their corresponding binary mixtures at 25 °C and 35 °C and atmospheric pressure, over the whole composition range. The excess molar enthalpies were obtained by means of a Calvet microcalorimeter. The excess molar enthalpies for the binary mixtures were fitted to a Redlich−Kister variable-degree polynomial, and the ternary excess molar enthalpies were adequately correlated by the Cibulka equation. The results obtained for the ternary mixture were used to test the empirical methods of Kohler; Jacob and Fitzner; Colinet; Tsao and Smith; Toop; Scatchard et al.; and Hillert. These methods predict excess properties of the ternary mixtures from those of the involved binary mixtures.
ISSN:0021-9568
1520-5134
DOI:10.1021/je0201370