THERMODYNAMIC BEHAVIOR OF SOME GLYCOL-WATER MIXTURES - EXCESS AND PARTIAL VOLUMES

被引：52

作者：

MORENAS, M ^{[1
]}

DOUHERET, G ^{[1
]}

机构：

[1] UNIV CLERMONT FERRAND,GEN CHEM LAB,F-63170 AUBIERE,FRANCE

来源：

THERMOCHIMICA ACTA | 1978年 / 25卷 / 02期

关键词：

D O I：

10.1016/0040-6031(78)85009-6

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Densities of water-glycol (mono- di-, tri- and tetraethyleneglycol) mixtures have been measured over the entire composition range at 298. 15 K. Mixtures involving monoethyleneglycol (MEG) have also been studied at different temperatures from 308.15 to 288.15 K. Deviations, VE, from ideal volumes of mixing have been calculated: negative values are observed for all systems. They increase with the number of ether functions present in the organic molecule; a slight dependence of VE towards temperature has been shown in the water-MEG mixtures. Partial molal volumes have also been calculated for both components of each system; they exhibit an extremum in the water-rich region. © 1978.

引用

页码：217 / 224

页数：8

共 11 条

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