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Controlling C-steel dissolution in 1 M HCl solution using newly synthesized ρ-substituted imine derivatives: Theoretical (DFT and MCs) and experimental investigations by MM. Salim; M.M. Azab; Mohamed A. Abo-Riya; M. Abd-El-Raouf; N.M. EL Basiony is a Chemistry article available to read on EtoBox.

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Corrosion is an inevitable process, but its control is the goal of the researchers using organic inhibitors. So, newly successfully prepared ρ-substituted imine compounds namely;(E)-N,N-dimethyl1–4-((tolylimino)methyl)aniline (SB-CH3) and (E)-4 (((4methoxyphenyl)imino)methyl)-N,N-dimethylaniline (SB–OCH3) have been fabricated to control the C-steel dissolution in 1 M HCl. Hammett concept and theoretical calculated parameters were applied to predict the adsorption affinity of the prepared imine derivatives and the laboratory gravimetric and electrochemical tests accompanied with surface analysis tools were conducted to confirm these predictions. The fabricated imine compounds suppressed the C-steel reaction with efficacy of more than 90%. The SB–OCH3 exhibited higher adsorption affinity than SB-CH3 and they acted as hydride C-steel corrosion inhibitors and followed Langmuir isotherm. The Δ G a d s \* values of C-steel reactions in presence of these compounds were around -37 kJmol−1. The inhibition performance of SB-CH3 and SB–OCH3 was function in their concentrations, molecular weight, and solution temperature. SB-CH3 and SB–OCH3 suppressed C-steel reaction at high temperature and t

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Author

MM. Salim; M.M. Azab; Mohamed A. Abo-Riya; M. Abd-El-Raouf; N.M. EL Basiony

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Chemistry (Physical Sciences)