Inhibitory effects of Murraya koenigii (curry leaf) leaf extract on the corrosion of mild steel in 1 M HCl

被引：14
|
作者：
Beenakumari, K. S. [1 ]
机构：
[1] Kerala Water Author, Qual Control Subdiv Lab, Thiruvananthapuram 695033, Kerala, India
来源：
GREEN CHEMISTRY LETTERS AND REVIEWS | 2011年 / 4卷 / 02期
关键词：
mild steel; corrosion; inhibitors; Murraya koenigii leaf; 1 M HCl; green inhibitor; ALUMINUM; LEAVES; MEDIA;
D O I：
10.1080/17518253.2010.514866
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The inhibitive effect of the Murraya koenigii (curry leaf) leaf extract on the corrosion of mild steel in 1 M HCl was investigated by using weight loss, open circuit potential measurements, potentiostatic polarization techniques, and impedance analysis. The results show that Murraya koenigii extract is an effective corrosion inhibitor for protecting the corrosion of mild steel in 1 M HCl medium even at stimulated conditions. The inhibition efficiency increases with increasing the concentration of the inhibitor in the medium. The percentage inhibitor efficiency under stagnant condition calculated based on weight loss method is found to be above 94.5% when the medium contains 1000 ppm of the inhibitor.
引用
收藏
页码：117 / 120
页数：4
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