Alizarin violet 3B as a novel corrosion inhibitor for steel in HCl, H2SO4 solutions

被引：61
作者：
Deng, Shuduan [1 ]
Li, Xianghong [2 ]
Fu, Hui [2 ]
机构：
[1] SW Forestry Univ, Fac Mat Engn, Kunming 650224, Peoples R China
[2] SW Forestry Univ, Fac Sci, Kunming 650224, Peoples R China
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 11期
关键词：
Steel; EIS; Polarization; Weight loss; Acid inhibition; HYDROCHLORIC-ACID SOLUTION; COLD-ROLLED STEEL; METHYLENE-BLUE DYE; LOW-CARBON STEEL; M SULFURIC-ACID; CONGO RED-DYE; MILD-STEEL; MEDIA; ADSORPTION; SPECTROSCOPY;
D O I：
10.1016/j.corsci.2011.07.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The inhibition effect of alizarin violet 3B (AV3B) on the corrosion of cold rolled steel (CRS) in 1.0 M HCl and 0.5 M H2SO4 solutions was investigated for the first time by weight loss, potentiodynamic polarization curves and electrochemical impedance spectroscopy (EIS) methods. The results show that AV3B is a good inhibitor, and exhibits more efficient in 1.0 M HCl than 0.5 M H2SO4. The adsorption of AV3B on CRS surface obeys Langmuir adsorption isotherm in both acids. Polarization curves reveal that AV3B acts as a mixed-type inhibitor. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3596 / 3602
页数：7
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