Investigation of Corrosion Inhibition of Vitamins B-1 and C on Mild Steel in 0.5 M HCl Solution: Experimental and Computational Approach

被引：8

作者：

Ahmed, Rasha A. ^{[1
,2
]}

机构：

[1] Taif Univ, Dept Chem, Fac Sci, At Taif 888, Hawiya, Saudi Arabia

[2] Minist Justice, Medico Legal Dept, Forens Chem Labs, Cairo, Egypt

来源：

ORIENTAL JOURNAL OF CHEMISTRY | 2016年 / 32卷 / 01期

关键词：

Corrosion; AA; VitB1; EIS; CV; SEM;

D O I：

10.13005/ojc/320133

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Corrosion inhibition behavior of Ascorbic acid (AA) vitamin C and Thiamine (Th) vitamin B1 on mild steel corrosion in 0.5 M HCl was investigated at various immersion times. The electrochemical characteristics of mild steel in absence and presence of the inhibitors were verified by the cyclic voltammetry method. The protective properties of the passive film were acquired by electrochemical impedance spectroscopy. The best inhibitive performance was obtained for VitB1. The polarization curves indicated the high inhibition efficiency of the inhibitors. The existence of a protective film on mild steel was confirmed by SEM techniques. Computational chemistry was carried out to establish the mechanism of corrosion inhibition.

引用

页码：295 / 304

页数：10

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