Synthesis and evaluation of some quinoline Schiff bases as a corrosion inhibitor for mild steel in 1 N HCl

被引：20

作者：

Mistry, Bhupendra M. ^{[1
]}

Jauhari, Smita ^{[1
]}

机构：

[1] SV Natl Inst Technol, Dept Appl Chem, Surat 395007, Gujarat, India

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2013年 / 39卷 / 03期

关键词：

Corrosion inhibitor; EIS; Mild steel; Polarization; SEM; Weight loss; ADSORPTION PROCESSES; THERMODYNAMIC CHARACTERIZATION; METAL DISSOLUTION; CARBON-STEEL; ACID; DERIVATIVES; SURFACE;

D O I：

10.1007/s11164-012-0666-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

N-((2-chloroquinolin-3-yl)methylene)aniline (CQM) and N-((2-chloroquinolin-3-yl)methylene)-5-methylthiazol-2-amine (CQMA) were synthesized. The effect of CQM and CQMA have been investigated against mild steel (MS) in 1 N HCl solutions using conventional weight loss, potentiodynamic polarization, linear polarization, electrochemical impedance spectroscopy, UV-Vis spectroscopy and scanning electron microscopic studies. The losses in the weights of MS samples have proved that both CQM and CQMA are efficient inhibitors. The mixed mode of inhibition was confirmed by electrochemical polarizations. The adsorptions of these inhibitors are found to follow the Langmuir adsorption isotherm. CQM and CQMA adsorbs on the MS sample by chemisorptions.

引用

页码：1049 / 1068

页数：20

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