Paper Title:
Adsorption Behavior of Sulfamethoxazole as Inhibitor for Mild Steel in 3%HCl Solution
  Abstract

The adsorption behavior of sulfamethoxazole as inhibitor for mild steel in 3% HCl solution at 298K has been studied by the methods of polarization curves, electrochemical impedance spectroscopy, weight loss, and quantum chemical calculation in this paper. Results revealed that the sulfamethoxzole acted essentially as the mixed-type inhibitor, and the spontaneous adsorption process involved in both chemical adsorption and physical adsorption. In addition, the adsorption of inhibitor on the steel surface followed Temkin adsorption isotherm model. However, the repulsion among the neighboring adsorbed molecule, as well as the single adsorption center of benzene ring, leaded the failure to form ideal protection film on the metal surface.

  Info
Periodical
Advanced Materials Research (Volumes 194-196)
Edited by
Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang
Pages
8-15
DOI
10.4028/www.scientific.net/AMR.194-196.8
Citation
G. H. Zhang, L. L. Yin, S. T. Zhang, X. Li, "Adsorption Behavior of Sulfamethoxazole as Inhibitor for Mild Steel in 3%HCl Solution", Advanced Materials Research, Vols. 194-196, pp. 8-15, 2011
Online since
February 2011
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$32.00
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