Solubilization of oxymatrine in water-in-supercritical carbon dioxide microemulsions

被引：8
|
作者：
Su, Baogen [1 ]
Xing, Huabin [1 ]
Ren, Qilong [1 ]
机构：
[1] Zhejiang Univ, Natl Lab Secondary Resources Chem Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2008年 / 53卷 / 08期
关键词：
D O I：
10.1021/je700719r
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubilization amount of oxymatrine in ammonium carboxylate perfluoropolyether (PFPE-NH4) water-in-supercritical carbon dioxide microemulsions with a water-to-surfactant molar ratio of (10.2, 14.8, and 21.0) was determined at temperatures of (308.15, 313.15, 318.15, 323.15, and 328.15) K and a density of 0.822 g.mL(-1) using a static apparatus with a sampling part. The determined solubilization amount of oxymatrine was 2 orders of magnitude higher than the solubility of oxymatrine in supercritical carbon dioxide and about 1/6 to 1/5 of the solubility of oxymatrine in bulk water. It was indicated that the solubilization amount of oxymatrine increased with an increase of the water-to-surfactant molar ratio and temperature in all experimental conditions.
引用
收藏
页码：1705 / 1707
页数：3
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