Solubility of (+)-Usnic Acid in Water, Ethanol, Acetone, Ethyl Acetate and n-Hexane

被引：0
作者：
Ju-qing Jin
Yong Rao
Xiao-li Bian
Ai-guo Zeng
Guang-de Yang
机构：
[1] Xi’an Jiaotong University,School of Science
[2] Xi’an Jiaotong University,School of Medicine
来源：
Journal of Solution Chemistry | 2013年 / 42卷
关键词：
(Solid + liquid) equilibrium; Solubility; (+)-Usnic acid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using ultraviolet spectrophotometry, the solubility of (+)-usnic acid in water, ethanol, acetone, ethyl acetate and n-hexane were measured at temperatures from (278.15 to 338.15) K at atmospheric pressure. The results obtained led to the solubility order: ethyl acetate > acetone > n-hexane > ethanol > water. The solubility values were correlated with the Apelblat equation, the λh equation and the ideal model. The results showed that these three models agreed well with the experimental data.
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页码：1018 / 1027
页数：9
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