Corrosion Inhibition of N,N- diethylammonium O,O′- di (p-chlorophenyl) dithiophosphate for Carbon Steel in HCl Solution

被引：0
|
作者：
Cai, Shulan [1 ]
Qiao, Kangquan [1 ]
Feng, Famei [1 ]
机构：
[1] Sichuan Univ Sci & Engn, Coll Chem & Pharmaceut Engn, Zigong 643000, Peoples R China
来源：
ADVANCES IN CHEMICAL ENGINEERING III, PTS 1-4 | 2013年 / 781-784卷
关键词：
EDPDP; Corrosion Inhibitor; Carbon Steel; HCl Acid; MILD-STEEL;
D O I：
10.4028/www.scientific.net/AMR.781-784.299
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A new corrosion inhibior N,N-diethylammonium O,O'- di (p-chlorophenyl) dithiophosphate (EDPDP) has been synthesized and its inhibition effect towards the corrosion of carbon steel in 1.0 mol.L-1 HCl solution at 25 degrees C has been investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) methods. The obtained results show that EDPDP is a excellent inhibitor and the inhibition efficiencies exceed 90 %. The polarization measurements reveal that EDPDP is a mixed type inhibitor and the equivalent circuit model of the corrosion inhibition process is obtained by the analysis of EIS data.
引用
收藏
页码：299 / 303
页数：5
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