Measurements and Correlations of Electrical Conductivity of Aqueous Solutions of Some Ionic Liquids

被引：4

作者：

Hu, Hui-Chun ^{[1
,2
]}

Soriano, Allan N. ^{[1
,2
,3
]}

Leron, Rhoda B. ^{[1
,2
]}

Li, Meng-Hui ^{[1
,2
]}

机构：

[1] Chung Yuan Christian Univ, R&D Ctr Membrane Technol, Chungli 32023, Taiwan

[2] Chung Yuan Christian Univ, Dept Chem Engn, Chungli 32023, Taiwan

[3] Mapua Inst Technol, Sch Chem Engn & Chem, Manila 1002, Philippines

来源：

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 2011年 / 44卷 / 04期

关键词：

Aqueous Ionic Liquid Solution; Electrical Conductivity; Modified Arrhenius Equation; ELECTROLYTIC CONDUCTIVITY; TEMPERATURE; DEPENDENCE;

D O I：

10.1252/jcej.10we181

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

As part of our systematic study on physicochemical characterization of ionic liquids, we carried out new measurements of electrical conductivity for aqueous solutions of four ionic liquids at normal atmospheric condition for temperatures up to 353.2 K. The ionic liquids considered were 1-butyl-3-methylimidazolium chloride [Bmim][Cl], 1-butyl-3-methylimidazolium bromide [Bmim][Br], 1-butyl-2,3-dimethylimidazolium tetrafluoroborate [Bdmim][BF4], and 1-butyl-2,3-dimethylimidazolium hexafluorophosphate [Bdmim][PF6]. The electrical conductivity was measured using a commercial conductivity meter and the experimental uncertainty in the measurement was estimated to be +/- 1%. In this paper, the conductivity data are reported as a function of temperature and composition. A modified form of the Arrhenius equation was used to correlate the temperature dependence and composition dependence of the investigated ionic liquid systems, and the obtained correlations were found to be satisfactory.

引用

页码：209 / 213

页数：5

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