Composition of mixed anionic/nonionic surfactant micelles

被引：23

作者：

Akbas, H ^{[1
]}

Iscan, M ^{[1
]}

Sidim, T ^{[1
]}

机构：

[1] Trakya Univ, Fac Sci & Letters, Dept Chem, TR-22030 Edirne, Turkey

来源：

JOURNAL OF SURFACTANTS AND DETERGENTS | 2000年 / 3卷 / 01期

关键词：

anionic/nonionic surfactant; critical micelle concentration; interaction parameter; mixed micelle; regular solution theory; surface tension;

D O I：

10.1007/s11743-000-0117-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A proposed method of determining the composition of mixed micelles in equilibrium with monomer of known composition is described. The systems were sodium dodecyl sulfate-polyoxyethylene 23 lauryl ether (Brij 35) in water and in 0.1 M sodium chloride solution at 25 degrees C. This technique applies the Gibbs-Duhem equation to the mixed micelle, which is treated as a pseudophase. This proposed methodology, which needs only critical micelle concentration data as a function of monomer composition, is applied to an anionic/nonionic surfactant pair. The calculated monomer-micelle equilibrium is found to be very similar to the much-used regular solution for nonideal systems.

引用

页码：77 / 80

页数：4

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