Phenyl Phthalimide as Corrosion Inhibitor for Corrosion of C-Steel in Sulphuric Acid Solution

被引：15

作者：

Zaafarany, I. ^{[1
]}

机构：

[1] Umm Al Qura Univ, Fac Appl Sci, Chem Dept, POB 118, Makkah Al Mukaramha, Saudi Arabia

来源：

PORTUGALIAE ELECTROCHIMICA ACTA | 2009年 / 27卷 / 05期

关键词：

C-steel corrosion inhibitors; phenyl phthalimide; adsorption;

D O I：

10.4152/pea.200905631

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The effect of some phenyl phthalimide derivatives on the corrosion of carbon steel in 0.5 M H2SO4 solution was studied using weight loss and galvanostatic polarization techniques. The percentage inhibition efficiency was found to increase with increasing concentration of inhibitor and with decreasing temperature. Inhibition was explained by adsorption of these compounds on the metal surface. The adsorption follows Freundlich adsorption isotherms. Some thermodynamic functions were computed and discussed.

引用

页码：631 / 643

页数：13

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