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

页码：989 / 993

页数：5

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