Infinite Dilution Activity Coefficients of Solutes Dissolved in Two Trihexyl(tetradecyl)phosphonium Ionic Liquids - Université de Lorraine Access content directly
Journal Articles Journal of Chemical and Engineering Data Year : 2014

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

Dominique Alonso
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Timothy W. Stephens
  • Function : Author
William E. Acree
  • Function : Author
Gary A. Baker
  • Function : Author

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.

Dates and versions

hal-01275409 , version 1 (17-02-2016)

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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, 2014, 59 (6), pp.1877-1885. ⟨10.1021/je500050p⟩. ⟨hal-01275409⟩
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