Activity coefficients at infinite dilution measurements for organic solutes and water in the ionic liquid 1-butyl-3-methylimidazolium trifluoromethanesulfonate

被引：103

作者：

Domanska, Urszula ^{[1
]}

Marciniak, Andrzej ^{[1
]}

机构：

[1] Warsaw Univ Technol, Div Phys Chem, Fac Chem, PL-00664 Warsaw, Poland

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2008年 / 112卷 / 35期

关键词：

D O I：

10.1021/jp804107y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The activity coefficients at infinite dilution, gamma(infinity)(13) for 32 solutes: alkanes, alkenes, alkynes, cycloalkanes, aromatic hydrocarbons, alcohols, thiophene, tetrahydrofurane, tert-butyl methyl ether, and water in the ionic liquid 1-butyl-3-methylimidazolium trifluoromethanesulfonate [BMIM][CF3SO3] were determined by gas-liquid chromatography at the temperatures from 298.15 to 368.15 K. The partial molar excess enthalpies at infinite,3 values obtained over the temperature range. dilution values Delta H-1(E infinity) were calculated from the experimental gamma(infinity)(13) The selectivities for the hexane/benzene, cyclohexane/benzene, n-hexane/thiophene, n-decane/thiophene, cyclohexane/thiophene, toluene/thiophene, and oct-l-ene/thiophene separation problems were calculated from the gamma(infinity)(13). Obtained values were compared to the literature values for the other ionic liquids, NMP, and sulfolane.

引用

页码：11100 / 11105

页数：6

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