Inhibition of mild steel corrosion in hydrochloric acid solution by Fe and Cr Schiff base complexes

被引：3

作者：

Karbaschi, Mohammadreza ^{[1
]}

Nasr-Esfahani, Mojtaba ^{[2
]}

Zendehdel, Mahmoud ^{[2
]}

机构：

[1] Islamic Azad Univ, Dept Mat, Najafabad Branch, Najafabad, Iran

[2] Islamic Azad Univ, Dept Chem, Najafabad Branch, Najafabad, Iran

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2015年 / 51卷 / 05期

关键词：

1 M HCL; CARBON-STEEL; ADSORPTION PROCESSES; COBALT COMPLEX; PART I; BEHAVIOR; DERIVATIVES; ALUMINUM; COPPER;

D O I：

10.1134/S2070205115050135

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A comparative study of Fe and Cr complexes with a Schiff base ligand (1-[(2-hydroxyethyl)amino]-2-(5-methoxysalicylideneamino)ethane) as inhibitors for mild steel corrosion in 0.5 M HCl solution at 25A degrees C was carried out. Electrochemical techniques were applied to study the metal corrosion behavior of these inhibitors. EDX, SEM and ATR-FTIR studies of the electrode surface confirmed existence of a protective adsorbed film of the inhibitors on the electrode surface. The inhibition efficiency was increased with the inhibitor concentration. The mechanism of adsorption is concluded that the adsorbed chloride ions on the metal surface could be stabilized in their anionic form like a crab-claw.

引用

页码：918 / 927

页数：10

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