Effect of metallic cations on corrosion inhibition of an anionic surfactant for mild steel

被引：177

作者：

Mu, GN ^{[1
]}

Zhao, TP ^{[1
]}

Liu, M ^{[1
]}

Gu, T ^{[1
]}

机构：

[1] KUNMING UNIV SCI & TECHNOL,KUNMING 650093,PEOPLES R CHINA

来源：

CORROSION | 1996年 / 52卷 / 11期

关键词：

adsorption; hydrochloric acid; inhibition; metallic cations; mild steel; rare earth elements; sodium dodecyl sulfonate; surfactants; weight loss;

D O I：

10.5006/1.3292077

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of metallic cations such as Cu2+, Ni2+, and La3+ on corrosion inhibition of the anionic surfactant of cold-rolled mild steel (MS) in hydrochloric acid (HCl) by sodium dodecyl sulfonate (SDS) was investigated using the weight-loss method. A marked inhibition synergism of Cu2+ and SDS was found. Accelerated corrosion occurred in a lower concentration range of La3+, but a powerful inhibition synergism appeared at a special concentration range for the mixture of La3+ and SDS. The effect of Ni2+ was minor. Results were evaluated in light of adsorption theory.

引用

页码：853 / 856

页数：4

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