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Infinite Dilution Activity Coefficients of Solutes Dissolved in Two Trihexyl(tetradecyl)phosphonium Ionic Liquids

Abstract : Infinite dilution activity coefficients (y(1,2)(infinity)) are reported for 31 and 40 diverse organic solutes dissolved in trihexyl(tetradecyl)phosphonium L-lactate and trihexyl(tetradecyl)phosphonium (1S)-(+)-10-camphorsulfonate, as determined by inverse gas chromatography at temperatures from 323 K to 373 K. The measured retention data were further transformed to gas-to-ionic liquid and water-to-ionic liquid partition coefficients using standard thermodynamic expressions based upon measured values for corresponding gas-to-water partition coefficients of the test solutes. Both sets of partition coefficients were interpreted using an ion-specific equation coefficient form of the basic Abraham general solvation parameter model. Finally, ion-specific equation coefficients were calculated for the chiral L-lactate and (1S)-(+)-10-camphorsulfonate anions.
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https://hal.univ-lorraine.fr/hal-01275409
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Submitted on : Wednesday, February 17, 2016 - 2:11:40 PM
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Fabrice Mutelet, Dominique Alonso, Timothy W. Stephens, William E. Acree, Gary A. Baker. Infinite Dilution Activity Coefficients of Solutes Dissolved in Two Trihexyl(tetradecyl)phosphonium Ionic Liquids. Journal of Chemical and Engineering Data, American Chemical Society, 2014, 59 (6), pp.1877-1885. ⟨10.1021/je500050p⟩. ⟨hal-01275409⟩

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