Premicellar aggregation in water-salt solutions of sodium alkyl sulfonates and dodecyl sulfate

被引：3
|
作者：
Reshetnyak, E. A. [1 ]
Chernyshova, O. S. [1 ]
Mchedlov-Petrosyan, N. O. [1 ]
机构：
[1] Kharkov Natl Univ, Pl Svobody 4, UA-61022 Kharkov, Ukraine
来源：
COLLOID JOURNAL | 2016年 / 78卷 / 05期
关键词：
BACKGROUND ELECTROLYTE; AQUEOUS-SOLUTIONS; ASSOCIATION; IONS; SURFACTANT;
D O I：
10.1134/S1061933X16050124
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：
The features of premicellar aggregation in aqueous solutions of sodium n-octyl, n-nonyl, and n-decyl sulfonate, as well as sodium n-dodecyl sulfate, at a constant ionic strength maintained by adding NaCl are studied by potentiometry using modified ion-selective electrodes reversible with respect to the ions of these surfactants. For the studied surfactants, the critical micelle concentrations are refined, the compositions of the products of premicellar aggregation are determined, and the stability constants of aggregates are evaluated.
引用
收藏
页码：647 / 651
页数：5
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