Adsorption-desorption phenomena of sodium dodecyl sulfate and sodium dodecylbenzenesulfonate at a hanging mercury drop electrode

被引：2
|
作者：
Sawamoto, H [1 ]
机构：
[1] Kochi Univ, Fac Educ, Kochi 7808520, Japan
来源：
NIPPON KAGAKU KAISHI | 1998年 / 07期
关键词：
D O I：
10.1246/nikkashi.1998.511
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorption-desorption phenomena of sodium dodecyl sulfate and sodium dodecylbenzenesulfonate at a mercury electrode were studied by a.flow injection method with measuring differential capacity-time curves. Adsorption of sodium dodecyl sulfate at -0.2 V is irreversible, while that at the potential more negative than - 0.4 V is reversible. Adsorption of sodium dodecylbenzenesulfonate is irreversible at the potential more positive than -0.8 V. It is reversible at the potential more negative than -1.0 V. From these results, adsorption models for the two surfactants were proposed.
引用
收藏
页码：511 / 513
页数：3
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