Modification of iron surface by dimegin and adsorption of 1,2,3-benzotriazole

被引：15
|
作者：
Kuznetsov, Yu. I. [1 ]
Agafonkina, M. O. [1 ]
Andreeva, N. P. [1 ]
Solov'eva, A. B. [2 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia
[2] Russian Acad Sci, NN Semenov Chem Phys Inst, Moscow, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2010年 / 46卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
porphyrins; adsorption; benzotriazole; ellipsometry; electrochemistry;
D O I：
10.1134/S2070205110070014
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The preapplication of dimegin on the passive iron surface is shown to enhance adsorption of 1,2,3-benzotriazole (BTA). The adsorption of BTA on passive iron and its surface preliminarily modified by chemisorption of dimegin can also be adequately described by the Temkin equation. The adsorption characteristics of BTA depend on the degree of filling of the iron surface with dimegin. Upon the transition to the modified surface, the factor of its heterogeneity initially increases (to theta(DMG) a parts per thousand 0.5), then decreases.
引用
收藏
页码：743 / 747
页数：5
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