INHIBITIVE EFFECT OF DATE EXTRACT ON THE CORROSION OF CARBON STEEL IN ACIDIC MEDIA

被引：5

作者：

Moussaoui, Naima ^{[1
]}

Zerouali, Djilali ^{[1
]}

Bettahar, Noureddine ^{[1
]}

机构：

[1] Univ Sci & Technol Mohamed Boudiaf, Fac Chem, Lab Inorgan Mat Chem & Applicat, PB 1505, El Menouar 31000, Oran, Algeria

来源：

JOURNAL OF THE CHILEAN CHEMICAL SOCIETY | 2016年 / 61卷 / 03期

关键词：

Carbon steel; Green corrosion inhibitors; Date extract; Electrochemical methods; Acid medium; HYDROCHLORIC-ACID; MILD-STEEL; GREEN INHIBITOR; SULFURIC-ACID; LEAVES EXTRACT; HCL; ADSORPTION; H2SO4; IRON;

D O I：

10.4067/S0717-97072016000300002

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The inhibitive effect of date extract on the corrosion of Carbon steel in 1M HCl solution has been investigated by weight loss measurement, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The presence of this extract reduces remarkably the corrosion rate of mild steel in acidic solution. The inhibition efficiency was found to increase with increasing inhibitor concentrations due to the adsorption of the inhibitor molecules on the metal surface, this adsorption follows Langmuir's adsorption isotherm. The inhibition efficiency was found to be 85.84% at 1.5V/V% in 1M HCl. Temperature studies revealed a decrease in efficiency with rise in temperature.

引用

页码：3018 / 3024

页数：7

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