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Vol. 27 No. 8 (2015): Vol 27 Issue 8

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Electrochemical and Quantum Chemical Assessment of 2-Aminothiazole as Inhibitor for Carton Steel in Sulfuric Acid Solution

https://doi.org/10.14233/ajchem.2015.18288
Lei Guo
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Shanhong Zhu
School of Computer and Information Engineering, Xinxiang University, Xinxiang 453003, P.R. China
Wenpo Li
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Shengtao Zhang
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China

Corresponding Author(s) : Wenpo Li

cqliwp@163.com

Asian Journal of Chemistry, Vol. 27 No. 8 (2015): Vol 27 Issue 8

Abstract

Inhibition action of 2-aminothiazole towards carton steel corrosion in 0.1 M H2SO4 solution was investigated by electrochemical measurements. Quantum chemical calculations based on the density functional theory were performed on 2-aminothiazole. The polarization measurements show that 2-aminothiazole is arranged as a mixed-type inhibitor for both anodic and cathodic reactions. The surface morphology of uninhibited and inhibited carton steel sample was examined by scanning electron microscope. Moreover, a low-coverage gas-phase adsorption of 2-aminothiazole on perfect Fe(110) surface has been studied and characterized using density functional theory calculations.

Keywords

Electrochemical investigation Corrosion inhibitor 2-Aminothiazole Carton steel Density function theory
Guo, L., Zhu, S., Li, W., & Zhang, S. (2015). Electrochemical and Quantum Chemical Assessment of 2-Aminothiazole as Inhibitor for Carton Steel in Sulfuric Acid Solution. Asian Journal of Chemistry, 27(8), 2917–2923. https://doi.org/10.14233/ajchem.2015.18288
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