The litchi (Litchi Chinensis) peels extract as a potential green inhibitor in prevention of corrosion of mild steel in 0.5 M H2SO4 solution

被引：54

作者：

Singh, M. Ramananda ^{[1
]}

Gupta, Prachi ^{[1
]}

Gupta, Kaushal ^{[1
]}

机构：

[1] Univ Delhi, Kirori Mal Coll, Dept Chem, Delhi, India

来源：

ARABIAN JOURNAL OF CHEMISTRY | 2019年 / 12卷 / 07期

关键词：

Mild steel; EIS; SEM; IR spectroscopy; C. Acid corrosion; HYDROCHLORIC-ACID SOLUTION; ECO-FRIENDLY INHIBITOR; LEAVES EXTRACT; CARBON-STEEL; ARTEMISIA-PALLENS; AQUEOUS-SOLUTIONS; ADSORPTION; HCL; SURFACE; PLANT;

D O I：

10.1016/j.arabjc.2015.01.002

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The corrosion inhibition of mild steel in 0.5 M H2SO4 solution by the extract of litchi peel (Litchi chinensis) was studied by weight loss method, potentiodynamics polarization and electrochemical impedance spectroscopy (EIS). The results show that the litchi peels extract acts as mixed-type inhibitor. The inhibition of corrosion is found to be due to adsorption of the extract on metal surface, which is in conformity with Langmuir's adsorption isotherm. UV-Vis, Fourier transform infrared (FT-IR) spectroscopy and Scanning electron microscopy (SEM) studies confirm that the inhibition of corrosion of mild steel occurs through adsorption of the inhibitor molecules. (C) 2015 Production and hosting by Elsevier B.V.

引用

页码：1035 / 1041

页数：7

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