Synergistic effect of potassium iodide with phthalazone on the corrosion inhibition of mild steel in 1.0 M HCl

被引：98
|
作者：
Musa, Ahmed Y. [1 ]
Mohamad, Abu Bakar [1 ]
Kadhum, Abdul Amir H. [1 ]
Takriff, Mohd Sobri [1 ]
Tien, Lim Tien [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Dept Chem & Proc Engn, Bangi 43600, Selangor, Malaysia
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 11期
关键词：
Mild steel; EIS; Acid inhibition; HYDROCHLORIC-ACID SOLUTION; SULFURIC-ACID; SODIUM-CHLORIDE; H2SO4; SOLUTION; DERIVATIVES; MEDIA; IONS; IRON; ADSORPTION; 4,4-DIMETHYLOXAZOLIDINE-2-THIONE;
D O I：
10.1016/j.corsci.2011.07.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of phthalazone (PTO) and its synergistic effect with KI on the corrosion of mild steel in 1.0 M HCl solution were studied using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization measurements. The inhibition efficiency increases with the concentration of the inhibitor and increased further with the presence of 6.02 mM KI. The synergistic effect of 6.02 mM KI at different concentrations of PTO was determined by calculating the synergism parameters, which showed that a cooperative mechanism exists between the iodide anion and PTO cations. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3672 / 3677
页数：6
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