Measurement and correlation of the solubility of N-(phosphonomethyl)iminodiacetic acid in different organic solvents

被引：7
|
作者：
Jia, Dongmei [1 ,2 ]
Zhang, Xin [1 ]
Li, Jing [1 ]
Li, Changhai [2 ]
机构：
[1] Binzhou Univ, Dept Chem Engn, Binzhou 256603, Peoples R China
[2] Binzhou Univ, Res Ctr Chem Engn & Technol, Binzhou 256603, Peoples R China
来源：
FLUID PHASE EQUILIBRIA | 2014年 / 382卷
关键词：
Solid-liquid equilibrium; N-(phosphonomethyl) iminodiacetic acid; Solubility; Melting point; IMINODIACETIC ACID; LIQUID-EQUILIBRIUM; MELTING-POINTS; GLYPHOSATE; MIXTURES; TEMPERATURE; EXPRESSION; CHLORIDE; SYSTEMS; ENERGY;
D O I：
10.1016/j.fluid.2014.08.036
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility of N-(phosphonomethyl) iminodiacetic acid (PMIDA) in methanol, ethanol, isopropanol, 1-butanol, 1-pentanol, 1-hexanol, acetone, methylbenzene and ethyl acetate were measured over a temperature range from 293.15 to 343.15 K under atmospheric pressure. The hypothetical enthalpy of fusion and melting temperature of PMIDA were estimated. The Scatchard-Hildebrand (SH) model, the Wilson model, the nonrandom two-liquid (NRTL) model and the universal quasi-chemical (UNIQUAC) model were applied to correlate the solid-liquid equilibrium. It is shown that the Wilson model can give better results than NRTL and UNIQUAC model. The solubility parameter of PMIDA was obtained based on the SH model. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 58
页数：5
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