Protection of Copper Surface Against Corrosion by Cationic Surfactant in Seawater

被引：6

作者：

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

Osman, M. M. ^{[1
]}

机构：

[1] EPRI, Nasr City 11727, Cairo, Egypt

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2009年 / 30卷 / 05期

关键词：

Adsorption; cationic surfactant; copper; corrosion; seawater; ADSORPTION; INHIBITION; MONTMORILLONITE; CHLORIDE; STEEL; WATER; IRON;

D O I：

10.1080/01932690802598986

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The protection power of the cationic surfactant decylammonium acetate (DAA) in seawater has been studied to define the perfect conditions have to be found for using it as a corrosion inhibitor for copper surface. The adsorption isotherm of this surfactant on copper surface has been determined at different interval times at 30C. The given isotherms have, in general, similar shapes exhibiting a Languimirian L-shape. The corrosion measurement has been determined according to weight loss method. The study declines that cationic DAA, in seawater, protects well the copper surface against corrosion when added with low concentrations, while high concentrations show bad inhibition efficiency. ICP spectroscopic analysis assures this result where high Cu% has been obtained in the presence of high DAA concentration.

引用

页码：677 / 683

页数：7

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