Apparent molar volumes and isentropic compressions of benzylalkylammonium ionic liquids in dimethylsulfoxide from 293.15 K to 328.15 K

被引：37

作者：

Keshapolla, Dasthaiah ^{[1
]}

Gardas, Ramesh L. ^{[1
]}

机构：

[1] Indian Inst Technol Madras, Dept Chem, Chennai 600036, Tamil Nadu, India

来源：

FLUID PHASE EQUILIBRIA | 2014年 / 383卷

关键词：

Ionic liquid; Apparent molar volume; Redlich-Mayer equation; Ion-solvent interaction; BINARY-MIXTURES; DIMETHYL-SULFOXIDE; THERMODYNAMIC PROPERTIES; ORGANIC-SOLVENTS; 1-BUTYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE; THERMOPHYSICAL PROPERTIES; MOLECULAR-INTERACTIONS; AQUEOUS-SOLUTIONS; TEMPERATURE; BEHAVIOR;

D O I：

10.1016/j.fluid.2014.09.022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Densities, rho and speeds of sound, u of four benzylalkylammonium ionic liquids (ILs), namely, benzylmethylammonium propionate (BMAP), benzylmethylammonium hexanoate (BMAH), benzyldimethylammonium propionate (BDMAP) and benzyldimethylammonium hexanoate (BDMAH) with dimethylsulfoxide (DMSO) have been determined as a function of ILs concentration, ranging from (0.1 to 0.8) mol kg(-1), at temperatures from 293.15 K to 328.15 K with 5 K interval and at atmospheric pressure. The apparent molar volumes, V-m, apparent molar isentropic compression, K-s,K-m and limiting apparent molar expansion, E-m(infinity) of the ILs have been calculated from the experimental density and speed of sound data. The Redlich-Mayer type of equation was fitted to the apparent molar volume and apparent molar isentropic compression data, to evaluate apparent molar volume at infinite dilution V-m(infinity) and apparent molar isentropic compression, K-m(infinity) at infinite dilution. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：32 / 42

页数：11

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