Partition coefficients of organic compounds in new imidazolium based ionic liquids using inverse gas chromatography.
Partition coefficients of organic compounds in four ionic liquids: 1-ethanol-3-methylimidazolium tetrafluoroborate, 1-ethanol-3-methylimidazolium hexafluorophosphate, 1,3-dimethylimidazolium dimethylphosphate and 1-ethyl-3-methylimidazolium diethylphosphate were measured using inverse gas chromatography from 303.3 to 332.55K. The influence of gas-liquid and gas-solid interfacial adsorption of different solutes on ionic liquids was also studied. Most of the polar solutes were retained largely by partition while light hydrocarbons were retained predominantly by interfacial adsorption on the ionic liquids studied in this work. The solvation characteristics of the ionic liquids were evaluated using the Abraham solvation parameter model.
Laboratoire de Thermodynamique des Milieux Polyphasés, Nancy-Université, 1 rue Grandville, B.P. 20451, 54001 Nancy, France.
Anne-Laure
AL
Revelli
Fabrice
F
Mutelet
Jean-Noël
JN
Jaubert
D002849:Chromatography, Gas / Q000379:methods*; D007093:Imidazoles / Q000737:chemistry*; D052578:Ionic Liquids / Q000737:chemistry*; D009930:Organic Chemicals / Q000737:chemistry*; D055585:Physical Phenomena
D007093:Imidazoles; D052578:Ionic Liquids; D009930:Organic Chemicals