Acidity function of water-in-oil microemulsions

被引：7
|
作者：
Fernandez, Esperanza [1 ]
Garcia-Rio, Luis [1 ]
机构：
[1] Univ Santiago de Compostela, Dept Quim Fis, Fac Quim, Santiago De Compostela 15782, Spain
来源：
CHEMPHYSCHEM | 2006年 / 7卷 / 09期
关键词：
acidity micelles; microemulsions; surfactants; UV/Vis spectroscopy;
D O I：
10.1002/cphc.200600123
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：
(Graph Presented) Microenvironments: Strongly acidic microemulsions are obtained by merely adjusting the water-to-surfactant ratio W in the HOT/isooctane/water system (HOT = H+-exchanged sodium salt of bis(2-ethylhexyl)sulfosuccinate). Acidity functions H0 ranging from H0 = -2 for W = 1 to H0 = 0.5 for W = 30 are determined (see picture). Such acidities cannot be attained by addition of strong acids to the corresponding NaOT-based microemulsions. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：1888 / 1891
页数：4
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