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
收藏
页码：3877 / 3886
页数：10
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