Measurement and correlation of the solubility of antipyrine in ten pure and water plus ethanol mixed solvents at temperature from (288.15 to 328.15) K

被引：40

作者：

Wang, Zhirong ^{[1
]}

Zhou, Guangyi ^{[1
]}

Dong, Jiejie ^{[1
]}

Li, Zhili ^{[1
]}

Ding, Lei ^{[1
]}

Wang, Baohua ^{[1
]}

机构：

[1] Beijing Univ Chinese Med, Beijing 100102, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2018年 / 268卷

关键词：

Antipyrine; Solubility; Correlation; Thermodynamic properties; THERMODYNAMICS PARAMETERS; SALICYLIC-ACID; IONIC LIQUIDS; MIXTURES; METHANOL; MODELS;

D O I：

10.1016/j.molliq.2018.07.061

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 aim of this experiment is to obtain new antipyrine solubility data and the correlation equation parameters and thermodynamic parameters of the dissolution process. The solubility of antipyrine was experimentally measured in ten mono-solvents (methanol, ethanol, acetone, n-propanol, isopropanol, methyl acetate, n-butanol, isobutanol, ethyl acetate, water) and binary mixed solvents (ethanol-water) at 288.15 to 328.15 K using a gravimetric method under atmospheric pressure. In addition, the experimental solubility in the mono-and mixed solvents was correlated using the Xh equation, modified Apelblat equation, non-random two-liquid equation, Wilson equation, and van't Hoff equation. Good agreement was found between the experimental values and correlation values calculated by all the selected equations. The thermodynamic parameters, Gibbs energy (Delta G degrees(sol)), molar enthalpy of dissolution (Delta H degrees(sol)), and molar entropy of dissolution (Delta S degrees(sol)) were also calculated. These experimental results are crucial for optimization of the antipyrine crystallization process. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：256 / 265

页数：10

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