(Liquid plus liquid) equilibria for ternary mixtures of (polyvinylpyrrolidone + MgSO4 + water) at different temperatures

被引：15
|
作者：
Salabat, Alireza
Moghadasi, Mohamad Ali
Zalaghi, Parisa
Sadeghi, Rahmat
机构：
[1] Arak Univ, Dept Chem, Arak, Iran
[2] Lurestan Univ, Dept Chem, Lurestan, Iran
[3] Kurdistan Univ, Dept Chem, Sanandaj 66135, Kurdistan, Iran
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2006年 / 38卷 / 11期
关键词：
aqueous two-phase system; phase diagram; (polymer plus salt) system; polyvinylpyrrolidone; magnesium sulfate;
D O I：
10.1016/j.jct.2005.12.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimental (liquid + liquid) equilibrium (LLE) data were determined for a ternary system (polyvinylpyrrolidone + MgSO4 + water) at various temperatures of (298.15, 303.15, and 308.15) K. The UNIQAC, modified regular solution, modified Wilson and Chen-NRTL models were used to correlate the experimental tie-line data. The results show that at each temperature, the quality of fitting is better with the Chen-NRTL model. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1479 / 1483
页数：5
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