Solubility, Dissolution Enthalpy and Entropy of Isoimperatorin in Ethanol + Water Solvent Systems from 288.2 to 328.2 K

Ai-Guo Zeng; Jun Zhou; Cong Li; Yang-Xi Liu; Xin Yang; Guang-De Yang

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Solubility, Dissolution Enthalpy and Entropy of Isoimperatorin in Ethanol + Water Solvent Systems from 288.2 to 328.2 K

机译：异欧前胡素在乙醇和水溶剂体系中的溶解度，溶解焓和熵从288.2至328.2 K

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The solubility of isoimperatorin in pure solvents and solvent mixtures was measured by UV spectrophotometry from 288.2 to 328.2 K. The solubility of isoimperatorin in binary ethanol and water solvent systems increases with temperature and with decrease of the mole fraction of water in the solvent mixture. The solubility data were correlated with a modified Apelblat equation. The enthalpy and entropy of dissolution of isoimperatorin were evaluated using the van’t Hoff equation.

机译：异欧前胡素在纯溶剂和溶剂混合物中的溶解度通过紫外分光光度法在288.2至328.2 K范围内测量。异欧前胡素在二元乙醇和水溶剂体系中的溶解度随温度的升高和溶剂混合物中水的摩尔分数的降低而增加。溶解度数据与修正的Apelblat方程相关。使用van’t Hoff方程评估异欧前胡素的溶解焓和熵。

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来源
《Journal of Solution Chemistry》 |2012年第11期|共7页
作者
Ai-Guo Zeng; Jun Zhou; Cong Li; Yang-Xi Liu; Xin Yang; Guang-De Yang;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Isoimperatorin; Solubility; Enthalpy of dissolution; Entropy of dissolution;

机译：异欧前胡素;溶解度;溶出焓;溶出熵;

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1. Solubility, Dissolution Enthalpy and Entropy of Isoimperatorin in Ethanol + Water Solvent Systems from 288.2 to 328.2 K [J] . Ai-Guo Zeng, Jun Zhou, Cong Li, Journal of Solution Chemistry . 2012,第11期

机译：异欧前胡素在乙醇+水溶剂体系中的溶解度，溶解焓和熵从288.2至328.2 K
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Solubility, Dissolution Enthalpy and Entropy of Isoimperatorin in Ethanol + Water Solvent Systems from 288.2 to 328.2 K

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