Corrosion inhibition of mild steel by ethanolic extracts of Ricinus communis leaves

被引：0
|
作者：
Sathiyanathan, RAL [1 ]
Maruthamuthu, S
Selvanayagam, M
Mohanan, S
Palaniswamy, N
机构：
[1] Alagappa Univ, Dept Biotechnol, Karaikkudi 630003, Tamil Nadu, India
[2] Cent Electrochem Res Inst, Corros Sci Engn Div, Karaikkudi 630006, Tamil Nadu, India
[3] Loyola Coll, Dept Zool, Madras 600034, Tamil Nadu, India
来源：
INDIAN JOURNAL OF CHEMICAL TECHNOLOGY | 2005年 / 12卷 / 03期
关键词：
Ricinus communis; corrosion inhibitor; mild steel; electrochemical impedance;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Extracts of Ricinus communis leaves were tested for corrosion inhibitory effects towards mild steel in 100 ppm sodium chloride solution. The anticorrosion efficiency of plant extracts was studied by means of weight loss, electrochemical polarization and impedance measurements. It was found from weight loss measurements that the corrosion inhibition efficiency was about 84% in 300 ppm of the plant extract. Polarization measurements indicated that the plant extract acted as anodic inhibitor. Electrochemical impedance results also showed that the plant extract increased the corrosion resistance of mild steel and the formations of iron-organic complex reduced the corrosion of mild steel in neutral system.
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页码：356 / 360
页数：5
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