Aqueous immiscibility of cholinium chloride ionic liquid and Triton surfactants

被引：28
作者：
Alvarez, Maria S. [1 ]
Patino, F. [2 ]
Deive, Francisco J. [1 ]
Sanroman, M. Angeles [1 ]
Rodriguez, Ana [1 ]
机构：
[1] Univ Vigo, Dept Chem Engn, Vigo 36310, Spain
[2] Univ Vigo, Design Engn Dept, Vigo 36310, Spain
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2015年 / 91卷
关键词：
Aqueous biphasic systems; Ionic liquids; Cholinium chloride; Non-ionic surfactants; Triton; BIPHASIC SYSTEMS; NONIONIC SURFACTANTS; PHASE-SEPARATION; 2-PHASE SYSTEMS; SODIUM-CITRATE; WATER; COEFFICIENTS; TEMPERATURE; GLYCOL; SALTS;
D O I：
10.1016/j.jct.2015.07.027
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
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. (C) 2015 Elsevier Ltd. All rights reserved.
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页码：86 / 93
页数：8
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