Synthesis and investigations of heterocyclic compounds as corrosion inhibitors for mild steel in hydrochloric acid

被引：138
|
作者：
Ahmed, Salima K. [1 ]
Ali, Wassan B. [1 ]
Khadom, Anees A. [2 ]
机构：
[1] Univ Diyala, Coll Sci, Dept Chem, Baquba City 32001, Diyala Governor, Iraq
[2] Univ Diyala, Coll Engn, Dept Chem Engn, Baquba City 32001, Diyala Governor, Iraq
来源：
INTERNATIONAL JOURNAL OF INDUSTRIAL CHEMISTRY | 2019年 / 10卷 / 02期
关键词：
Steel; Weight loss; FT-IR; Corrosion; Inhibition; Synthesis; LOW-CARBON STEEL; SCHIFF-BASE; ADSORPTION PROCESSES; SURFACE-MORPHOLOGY; PHOSPHORIC-ACID; IONIC LIQUIDS; KINETICS; DERIVATIVES; MEDIA; GREEN;
D O I：
10.1007/s40090-019-0181-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The corrosion inhibition of mild steel in 0.5 M hydrochloric acid by six synthesized heterocyclic compounds was studied using weight loss measurements. The inhibition efficiency exceeded 95%. The excellent inhibitor performance was attributed to the formation of protection adsorption films on the steel surface. The structures of compounds were confirmed by Fourier transform infrared and nuclear magnetic resonance analysis. The adsorption of inhibitor on steel surface followed the Langmuir adsorption isotherm. Quantum chemical calculations were also adopted to clarify the inhibition mechanism.
引用
收藏
页码：159 / 173
页数：15
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