Activity Coefficients at Infinite Dilution of Alkanes, Alkenes, and Alkyl Benzenes in 1-Hexyl-3-methylimidazolium Trifluoromethanesulfonate Using Gas−Liquid Chromatography

Activity coefficients at infinite dilution γ i ∞ have been determined for 17 organic solutes, alkanes, alkenes, and alkyl benzenes, in the ionic liquid 1-hexyl-3-methylimidazolium trifluoromethanesulfonate ([HMIM][CF3SO3]) by the gas−liquid chromatographic (GLC) method with the ionic liquid as the s...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2008-05, Vol.53 (5), p.1220-1222
Main Authors: Yang, Xiao-Jun, Wu, Jun-Sheng, Ge, Ming-Lan, Wang, Li-Sheng, Li, Mi-Yi
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemical thermodynamics
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Gas chromatographic methods
General and physical chemistry
Mixtures
Thermodynamic properties
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Summary:Activity coefficients at infinite dilution γ i ∞ have been determined for 17 organic solutes, alkanes, alkenes, and alkyl benzenes, in the ionic liquid 1-hexyl-3-methylimidazolium trifluoromethanesulfonate ([HMIM][CF3SO3]) by the gas−liquid chromatographic (GLC) method with the ionic liquid as the stationary phase. The measurements were carried out in the temperature range of (303.15 to 363.15) K. The partial molar excess enthalpies at infinite dilution H i E,∞ were also determined for the solutes from the temperature dependence of the γ i ∞ values.
ISSN:0021-9568
1520-5134
DOI:10.1021/je800043a