期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2017
卷号：8
期号：3
页码：1116-1127
出版社：University of Mohammed Premier Oujda
摘要：In this study 5-chloro-1-octylindoline-2,3-dione (E1) was synthesized, characterized and tested as a new corrosion inhibitor for mild steel in 1M HCl solution. Weight-loss and potentiodynamic polarization measurements were applied to analyse the metal corrosion behaviour in the absence and presence of different concentrations of the inhibitor E1. The results obtained revealed that this compound has fairly good inhibiting properties for mild steel corrosion in 1M HCl solution, with efficiency of around 90 % at a concentration of 10-3M. The inhibition was of a mixed anodic–cathodic nature. The adsorption of the inhibitor on the surface of mild steel was found to obey Langmuir adsorption isotherm. SEM study showed the formation of a protective adsorptive film of the inhibitor on mild steel surface.
关键词：Isatin; Corrosion ; Inhibitor ; Mild steel ; acidic media ; EIS ; DFT ; Fukui function
