Zainb Fadel, Qahtan A. Yousif
Nov 1, 2020
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Influential Citations
6
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Journal
Journal of Physics: Conference Series
Abstract
Herein, the successful a novel corrosion inhibitor ((2S,3R)-2-((1-(4-amionophenyl) ethylidene) amino)-3-hydroxybutanoic acid compound (S1) was synthesized by the condensation reaction of equimolar of the 4-amino acetophenone with threonine amino acid. 1H NMR, 13C NMR, C.H.N., and FTIR techniques were used to confirm the structure of the S1 inhibitor. The impacts of S1 inhibitor was tested on the carbon steel (x56) in 0.5 N hydrochloric acid solution at 298.15 K. The electrochemical measurements were accomplished such as open circuit potential (OCP) and polarization scan, the results were confirmed the S1 as an excellent inhibitor and act as a mixed inhibitor to control on both the anodic and cathodic reaction to retarding the corrosion process by blocking the active sites on the surface electrode. These data were proved by the FE-SEM images and mapping spectra, it was seen the protective layer clearly on the surface.