Activity Coefficients of CsCl in 1,2-Propanediol + Water or 1,3-Propanediol plus Water Mixed Solvents at 298.15 K

被引：7

作者：

Feng, Shuai ^{[1
]}

Tang, Jing ^{[1
]}

Li, Shu'ni ^{[1
]}

Zhai, Quanguo ^{[1
]}

Jiang, Yucheng ^{[1
]}

Hu, Mancheng ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Macromol Sci Shaanxi Prov, Xian 710062, Shaanxi, Peoples R China

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2011年 / 56卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ELECTROMOTIVE-FORCE MEASUREMENTS; METHANOL-WATER MIXTURES; MIXED-SOLVENTS; 298.15; K; AQUEOUS MIXTURES; CESIUM-CHLORIDE; PITZER; THERMODYNAMICS; ELECTROLYTES; EQUATIONS;

D O I：

10.1021/je2000342

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The mean activity coefficients of the CsCl + propylene glycol + water system were determined at 298.15 K using potentiometric measurements. The range of CsCl molality (m) is (0.01 to 1.20) mol.kg(-1), and the mass fraction of propylene glycol (w) in mixed solvent is 0.10 to 0.40. The Pitzer, the modified Pitzer, and the extended Debye-Huckel equations are used to describe the nonideal behavior of the electrolyte. The activity coefficients and the osmotic coefficients of CsCl were calculated by the Pitzer equation. We also obtained the Gibbs energy of transfer of CsCl from water to propylene glycol + water mixtures.

引用

页码：2482 / 2488

页数：7

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