Solubility and thermodynamic analysis of methyleneaminoacetonitrile in binary solvents from T = (278.15 to 323.15) K

被引：22

作者：

Wang, Long ^{[1
]}

Sun, Jingping ^{[1
]}

Zhang, Haihan ^{[1
]}

Shen, Zhiqiang ^{[1
]}

Xu, Li ^{[1
]}

Liu, Guoji ^{[1
]}

机构：

[1] Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Henan, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 283卷

关键词：

Methyleneaminoacetonitrile; Solubility; Hansen solubility parameters; Models; Thermodynamic properties; ORGANIC-SOLVENTS; ETHYL-ACETATE; MONO-SOLVENTS; PLUS WATER; PREFERENTIAL SOLVATION; MIXED-SOLVENTS; JOUYBAN-ACREE; PURE SOLVENTS; N-PROPANOL; MIXTURES;

D O I：

10.1016/j.molliq.2019.03.069

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The solubility of methyleneaminoacetonitrile in binary solvents (ethanol+methanol, 2-propanol+methanol, n-butanol+methanol) was measured by a laser dynamic method under atmospheric pressure at temperatures ranging from 278.15 K to 323.15 K. The solubility of methyleneaminoacetonitrile in binary solvents increased with increasing temperature and the content of methanol. In addition, Hansen solubility parameters (HSP) were used to explain and predict the solubility behavior. The experimental solubility data in binary solvents were correlated by the modified Apelblat equation, lambda h equation, Jouyban-Acree model, and Sun model. The values of RD and RMSD indicated that these models fit the solubility data well in binary solvents. The thermodynamic properties (Delta H-sol degrees, Delta S-sol degrees, Delta(sol)G degrees, %xi(H), %xi(TS)) of the solution were calculated from the van't Hoff equation, and the dissolution process was endothermic, and the force of the dissolution process was entropy-driven. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：462 / 471

页数：10

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