High-temperature inhibitor of steel corrosion in sulfuric acid solutions

被引：10

作者：

Avdeev, Ya. G. ^{[1
]}

Belinskii, P. A. ^{[2
]}

Kuznetsov, Yu. I. ^{[1
]}

Zel, O. O. ^{[1
]}

机构：

[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia

[2] Tsiolkovskii State Pedag Univ, Kaluga, Russia

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2010年 / 46卷 / 07期

关键词：

acid corrosion; corrosion inhibitors; acid etching of steel; high-temperature inhibitors;

D O I：

10.1134/S2070205110070087

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A new high-temperature (up to 140A degrees C) inhibitor of steel corrosion in sulfuric acid, IFKhAN-92, that yields Z = 99% at a content of at least 1 wt % was developed. To enhance the protective effect of IFKhAN-92 at an elevated temperature, KI additions may be used. IFKhAN-92 was shown to be effective in hindering electrode reactions on steel. The high efficiency of this catalyst in H(2)SO(4) solutions is most likely conditioned by the specific adsorption of IFKhAN-92 molecules on a metal surface.

引用

页码：782 / 787

页数：6

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