Aqueous immiscibility of cholinium chloride ionic liquid and Triton surfactants |
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| Affiliation: | 1. Institute of Biosciences & Applications, National Centre for Scientific Research “Demokritos”, 15310 Athens, Greece;2. Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece;3. Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece;4. Institute of Nanoscience and Nanotechnology, N.C.S.R. “Demokritos”, Aghia Paraskevi 15310, Attiki, Greece;5. Laboratory of Materials for Electrotechnics, Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece |
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| Abstract: | The immiscibility windows of aqueous solutions containing the ionic liquid cholinium chloride (N1112OHCl) and the non-ionic surfactants Triton X-100 and Triton X-102 have been determined by the cloud point method at temperatures ranging from T = (298.15 to 333.15) K. The experimental values have been correlated by using two well-known equations. The tie-lines have been ascertained by means of density and refractive indices measurement, and the experimental data have been modeled by the Othmer–Tobias, Bancroft and Setschenow equations. The use of cholinium chloride involves greater demixing capacity than other imidazolium-based ionic liquids. |
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| Keywords: | Aqueous biphasic systems Ionic liquids Cholinium chloride Non-ionic surfactants Triton |
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