Excess Molar Volumes and Partial Molar Volumes of Binary Systems (Ionic Liquid plus Methanol or Ethanol or 1-Propanol) at T = (298.15, 303.15 and 313.15) K

被引：0

作者：

Sibiya, Precious N. ^{[1
]}

Deenadayalu, Nirmala ^{[1
]}

机构：

[1] Durban Univ Technol, Dept Chem, ZA-4000 Durban, South Africa

来源：

SOUTH AFRICAN JOURNAL OF CHEMISTRY-SUID-AFRIKAANSE TYDSKRIF VIR CHEMIE | 2009年 / 62卷

基金：

新加坡国家研究基金会;

关键词：

Density; excess molar volume; partial molar volume; ionic liquid; alcohol; ISENTROPIC COMPRESSIBILITY; N-ALKANES; MIXTURES; DENSITIES; WATER; HEXAFLUOROPHOSPHATE; ALCOHOLS; TOLUENE; SPEED; SOUND;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Excess molar volumes have been evaluated from density measurements over the entire composition range for binary systems of an ionic liquid (IL) and an alcohol at T = (298.15, 303.15 and 313.15) K. The IL is 1-butyl-3-methylimidazolium methylsulphate [BMIM](+)[MeSO4](-) and the alcohols are methanol, ethanol or 1-propanol. The Redlich-Kister smoothing polynomial equation was used to fit the excess molar volume data and the partial molar volumes were determined from the Redlich-Kister coefficients. For all the systems studied, the excess molar volumes were negative over the entire composition range at all temperatures. The results are interpreted in terms of the alcohol chain length and the intermolecular interactions.

引用

页码：20 / 25

页数：6

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