Inhibition effects of phenols on corrosion of mild steel in three mineral acids

被引：0

作者：

Kulkarni, D. R. ^{[1
]}

Muley, M. R. ^{[1
]}

Rodge, J. K. ^{[1
]}

Deshpande, M. N. ^{[1
]}

机构：

[1] Shrikrishna Mahavidyalaya, Dept Chem, Gunjoti 413613, Tq Omerga Dist, India

来源：

ASIAN JOURNAL OF CHEMISTRY | 2007年 / 19卷 / 05期

关键词：

phenol; inhibitor; oxidation; mild steel; acidic media;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Inhibition by phenols on the corrosion of mild steel in nitric acid, sulfuric acid and hydrochloric acid media has been studied. A trend observed among the phenols in corrosion inhibition efficiency is p-cresol > m-cresol > phenol > 2-naphthol > 1 -naphthol > 2-nitrophenol. Amongst naphthols, 2-naphthol was stronger inhibitor than 1 -naphthol which appears to be relative to their structures. In general 2-naphthol and p-cresol are found to be stronger inhibitor over the range of concentrations of acids used. While phenol in-cresol and 1-naphthol shown greater inhibition efficiency when they are applied at higher concentrations. 2-Nitrophenol shows oxidizing nature in all the acids, over the range of concentrations used.

引用

页码：3877 / 3886

页数：10

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