Liquid-Vapor Equilibrium in the Dimethyl Sulfoxide-Methanol System

被引：5

作者：

Kazoyan, E. A. ^{[1
]}

Khachatryan, A. S. ^{[1
]}

机构：

[1] Yerevan State Univ, Yerevan 375049, Armenia

来源：

RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2012年 / 85卷 / 09期

关键词：

MIXTURES; WATER; PRESSURE; ETHANOL;

D O I：

10.1134/S1070427212090066

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The liquid-vapor phase equilibrium in the dimethyl sulfoxide-methanol binary system was studied with the use of a statistical method. Partial pressures of dimethyl sulfoxide and methanol were calculated by integrating the Gibbs-Duhem equation. Molar excess Gibbs energies were described by the Redlich-Kister equation, and correlation parameters were calculated. It was found that molar excess Gibbs energies are negative, and the deviation from ideality increases as temperature increases.

引用

页码：1335 / 1338

页数：4

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