Partition Coefficients of Organic Compounds in New Imidazolium and Tetralkylammonium Based Ionic Liquids Using Inverse Gas Chromatography

Partition coefficients of 51 organic compounds in two ionic liquids (IL), 1-ethyl-3-methylimidazolium dicyanamide and trimethylhexylammonium bis((trifluoromethyl)sulfonyl)amide, were measured using inverse gas chromatography from (322.5 to 352.5) K. These partition coefficients were converted into w...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2010-01, Vol.55 (1), p.234-242
Main Authors: Mutelet, Fabrice, Revelli, Anne-Laure, Jaubert, Jean-Noël, Sprunger, Laura M, Acree, William E, Baker, Gary A
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemical and Process Engineering
Chemistry
Chromatographic methods and physical methods associated with chromatography
Engineering Sciences
Exact sciences and technology
Gas chromatographic methods
General and physical chemistry
General, apparatus
Solution properties
Solutions
Surface physical chemistry
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Summary:Partition coefficients of 51 organic compounds in two ionic liquids (IL), 1-ethyl-3-methylimidazolium dicyanamide and trimethylhexylammonium bis((trifluoromethyl)sulfonyl)amide, were measured using inverse gas chromatography from (322.5 to 352.5) K. These partition coefficients were converted into water-to-IL partition coefficients using the corresponding gas-to-water partition coefficients. Both sets of partition coefficients were analyzed using the Abraham solvation parameter model with cation-specific and anion-specific equation coefficients. The derived equations correlated the experimental gas-to-IL and water-to-IL partition coefficient data to within (0.12 and 0.14) log units, respectively.
ISSN:0021-9568
1520-5134
DOI:10.1021/je9003178