Isopiestic determination of 2-propanol activity in 2-propanol plus poly(ethylene glycol) solutions at 25 °C

被引：21

作者：

Zafarani-Moattar, MT ^{[1
]}

Yeganeh, N ^{[1
]}

机构：

[1] Univ Tabriz, Fac Chem, Dept Phys Chem, Tabriz, Iran

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2002年 / 47卷 / 01期

关键词：

D O I：

10.1021/je010232t

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The activities of 2-propanol in poly(ethylene glycol) (PEG) (M-n: 1000, 300, 200) + 2-propanol solutions have been measured by,the isopiestic method at 25 degreesC. Sodium iodide was used as the isopiestic standard for the calculation of activities. The original equation of Flory-Huggins and the modified Flory-Huggins equation with concentration dependent interaction parameters have been used for the correlation of obtained experimental solvent activity data. Better agreement with the experimental data was obtained using the modified Flory-Huggins equation.

引用

页码：72 / 75

页数：4

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