Surface Tensions and the Gibbs Excess Surface Concentration of Binary Mixtures of the Ionic Liquid 1-Ethyl-3-methylimidazolium Bis[(trifluoromethyl)sulfonyl]imide with Tetrahydrofuran and Acetonitrile

被引：32
|
作者：
Geppert-Rybczynska, Monika [1 ,2 ]
Lehmann, Jochen K. [1 ]
Heintz, Andreas [1 ]
机构：
[1] Univ Rostock, Inst Chem, Dept Chem Phys, D-18055 Rostock, Germany
[2] Univ Silesia, Inst Chem, Dept Chem Phys, PL-40006 Katowice, Poland
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2011年 / 56卷 / 04期
关键词：
WATER; DENSITY; TEMPERATURE; IMIDAZOLIUM; DEPENDENCE; TRANSPORT;
D O I：
10.1021/je101146f
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The surface tensions of binary mixtures containing the ionic liquid 1-ethyl-3-methyl-imidazolium bis[(trifluoromethyl-sulfonyl]imide ([EMIM][NTf(2)]) and the aprotic solvents tetahydrofuran (THF) or acetonitrile were measured at temperatures in the range from (293.15 to 313.15) K (or to 308.15 K for the system with THF) using the pendant drop method. On the basis of these experimental results and activity coefficients taken from vapor pressure measurements, the Gibbs excess surface concentrations for mixtures were calculated. The results and their relationship to electrolyte solutions are discussed.
引用
收藏
页码：1443 / 1448
页数：6
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