Inhibition Action of Cationic Gemini Surfactants on Mild Steel Corrosion in 1 N HCl

被引：1
|
作者：
Sharma, Hariom K. [1 ]
机构：
[1] Univ Technol & Appl Sci, Engn Dept, Salalah, Oman
来源：
PORTUGALIAE ELECTROCHIMICA ACTA | 2023年 / 41卷 / 06期
关键词：
adsorption; CGS; HCl; MS and WL; ALKANEDIYL-ALPHA; OMEGA-BIS(DIMETHYLALKYLAMMONIUM BROMIDE) SURFACTANTS; CARBON-STEEL; ADSORPTION BEHAVIOR; CHAIN-LENGTH; IRON; DERIVATIVES; DISSOLUTION; SERIES;
D O I：
10.4152/pea.2023410601
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Corrosion inhibition action of CGS, namely, PPAB, HPAB, DDPAB and HDPAB, on MS in 1 N HCl, has been investigated. The compounds were synthesized in laboratory, and their influence on MS corrosion inhibition was investigated by WL, PDP and EIS techniques. Ea and Delta Gads values of all compounds were calculated, in order to investigate the corrosion inhibition mechanism. The studies revealed that all the compounds inhibited MS corrosion by blocking its active sites. The inhibitors adsorption onto the MS surface in HCl was found to obey the Langmuir's isotherm. CGS IE(%) was found to vary with their nature and C, and the HCl T, IT and C. Maximum IE(%) was 99.7%, for HDPAB (250 ppm), which had the lowest CR, i.e. 0.15 mmy-1.
引用
收藏
页码：397 / 408
页数：12
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