Investigation on Corrosion Inhibition of Mild Steel by Sinapine Thiocyanate in H2SO4 Solution

被引：3

作者：

Jiang, Xi Lan ^{[1
]}

Lai, Chuan ^{[2
]}

Xiang, Zhen ^{[2
]}

Tang, Jing ^{[3
]}

Liu, Lang ^{[2
]}

Gu, Yun Tian ^{[2
]}

Wu, Ren Shuang ^{[2
]}

Wu, Zhi Rong ^{[2
]}

Yuan, Jia Jia ^{[2
]}

Hou, Dan Qi ^{[2
]}

Zhang, Yu Chao ^{[2
]}

机构：

[1] Sichuan Univ Arts & Sci, Key Lab Exploitat & Study Distinct Plants Educ, Dept Sichuan Prov, Sch Chem & Chem Engn,Eastern Sichuan Subctr Natl, Dazhou 635000, Peoples R China

[2] Sichuan Univ Sci & Engn, Key Labs Fine Chem & Surfactants Sichuan Prov Uni, Coll Chem & Environm Engn, Zigong 643000, Peoples R China

[3] Dazhou Vocat & Tech Coll, Dept Med Image & Examinat, Dazhou 635000, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2018年 / 13卷 / 07期

关键词：

Semen raphani; Corrosion inhibition; Polarization; Mild steel; CARBON-STEEL; HYDROCHLORIC-ACID; LIQUID-CHROMATOGRAPHY; RAPHANUS-SATIVUS; SEEDS; DERIVATIVES; EXTRACT;

D O I：

10.20964/2018.07.49

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Herein, the investigation on corrosion inhibition of mild steel in H2SO4 solution by green corrosion inhibitor of Sinapine Thiocyanate (GCI-ST) is presented. After GCI-ST isolated and purity determined, the corrosion inhibition of mild steel (MS) in H2SO4 solution with various concentration of GCI-ST was studied by potentiodynamic polarization, weight loss measurement and microstructure analysis. The study results indicate that GCI-ST can act as an effective green inhibitor, which is a mixed-type inhibitor, and the adsorption of GCI-ST on MS surface obeys Langmuir isotherm. In addition, it found that the inhibition efficiency increases with GCI-ST concentration increasing, decreases with H2SO4 concentration, temperature and storage time increasing.

引用

页码：6462 / 6472

页数：11

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