Inhibition of the anodic dissolution of copper in nitric acid

被引：0

作者：

Bajrachnyj, B.I. ^{[1
]}

Deribo, S.G. ^{[1
]}

Ved', M.V. ^{[1
]}

Gomozov, V.P. ^{[1
]}

机构：

[1] Khar'kovskij Gosudarstvennyj, Politekhnicheskij Univ, Khar'kov, Ukraine

来源：

Zashchita Metallov | 1997年 / 33卷 / 03期

关键词：

Anodes - Anodic polarization - Composition effects - Copper - Corrosion prevention - Dissolution - Nitric acid;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

An influence of thiourea and urotropin on copper anodic behaviour in diluted (0.1 M) nitric acid solutions is investigated by the methods of impedance spectroscopy and polarization measurements. It is shown that protective action of thiourea and urotropin against anodic dissolution of copper has different character. Thiourea and urotropin manifest the mechanisms of energetic and blocking action respectively. In order to retard copper dissolution in nitric acid under anodic polarization conditions, urotropin is preferential.

引用

页码：324 / 325