Adsorption and protecting properties of 1,2,3-benzotriazole on MNZh 5-1 alloy in neutral solutions

被引：6
|
作者：
Kuznetsov, Yu. I. [1 ]
Andreeva, N. P. [1 ]
Agafonkina, M. O. [1 ]
机构：
[1] Frumkin Inst Phys Chem & Electrochem, Moscow, Russia
来源：
RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2014年 / 50卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
copper; nickel; iron; MNZh; 5-1; alloy; 1,2,3-benzotriazole; passivity; ellipsometry; adsorption; MILD-STEEL; INHIBITIVE PROPERTIES; COPPER CORROSION; BENZOTRIAZOLE; ISOTHERMS;
D O I：
10.1134/S1023193514100048
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
1,2,3-Benzotriazole (BTA) stabilizes the passive state of the MNZh 5-1 alloy in a chloride borate buffer with pH 7.40 at c (BTA) = 0.5 mM, which is lower than for the metal components of the alloy. The adsorption of BTA on the surface of MNZh 5-1 is polymolecular. The free energy of adsorption -Delta G (a) (0) for monolayer BTA coverage of the alloy was higher than for the alloy component metals (Fe, Ni, Cu).
引用
收藏
页码：989 / 993
页数：5
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