(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

页码：1479 / 1483

页数：5

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