Solution thermodynamics of valnemulin hydrogen fumarate in different pure solvents

被引：19
|
作者：
Ouyang, Jinbo [1 ,2 ]
Wang, Jingkang [1 ,2 ]
Huang, Xin [1 ]
Bao, Ying [1 ,2 ]
Wang, Yongli [1 ,2 ]
Yin, Qiuxiang [1 ,2 ]
Liu, Ailing [3 ]
Li, Xudong [3 ]
Hao, Hongxun [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, State Key Lab Chem Engn, Tianjin 300072, Peoples R China
[2] Collaborat Innovat Ctr Chem Sci & Chem Engn, Tianjin 300072, Peoples R China
[3] Tianjin Ringpu Biotechnol CO LTD, Tianjin 300072, Peoples R China
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2015年 / 91卷
基金：
中国国家自然科学基金;
关键词：
Valnemulin hydrogen fumarate; Solubility; Enthalpy; Entropy; Gibbs energy; ORGANIC-SOLVENTS; LIQUID-MIXTURES; DIFFERENT TEMPERATURES; SOLUBILITY; EQUILIBRIUM; EXPRESSION; METHANOL; EQUATION; ETHANOL; SYSTEMS;
D O I：
10.1016/j.jct.2015.07.023
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Solubility of valnemulin hydrogen fumarate in five pure solvents was determined within temperature range of (278.15 to 323.15) K by a gravimetric method. The results show that the solubility of valnemulin hydrogen fumarate in tested pure solvents increases with the increasing temperature. The solubility values were correlated by the Wilson model, NRTL model and UNIQUAC model. The UNIQUAC volume parameter, area parameter, and Wilson liquid molar volume parameter of valnemulin hydrogen fumarate were estimated by the group contribution method. It was found that the correlated results are in good agreement with the experimental results. Furthermore, the mixing thermodynamic properties of valnemulin hydrogen fumarate in solutions, including the mixing Gibbs energy, the mixing enthalpy and entropy, were determined by using the Wilson model and the experimental solubility results. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：73 / 79
页数：7
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