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- W4313431063 abstract "Abstract The present study was devoted to the investigation of the effect of NO 2 and OH group in the structure of two imidazopyridine, namely: (E)-N-(7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)-1-(4-nitrophenyl)methanimine (Imid1) and (E)-4-(((7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)imino)methyl)phenol (Imid2) on the corrosion inhibition efficiency of steel in acidic medium, to remediate mild steel in hydrochloric acid. The evaluation of this activity was revealed using several experimental techniques such as: weight loss measurements (WL), potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS), UV-visible spectroscopy study, surface characterization by SEM, as well as the impact of temperature and concentration on the inhibition efficiency for two inhibitors. The results obtained from these techniques show that the inhibition efficiency is reduced by the effect of the nitro electron withdrawing group (NO 2 ) in the Imid1 molecule, but increased by the presence of the donor group (-OH) in the Imid2 molecule. The comparison of the results obtained by UV-visible spectroscopy of the inhibited and uninhibited electrolyte provided evidence for the formation of an Fe-ligand complex of two imidazopyridine molecules in 1M HCl. Surface morphological studies by SEM revealed a uniform surface in the presence of the imid 1 − 2 in contrast a destroyed surface in the absence of the inhibitors. Finally the results of DFT and MDS simulations are in good order with the experimental data and showed that the obtained order of the inhibition efficiency is always respected (Imid2 > Imid1)." @default.
- W4313431063 created "2023-01-06" @default.
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- W4313431063 date "2023-01-02" @default.
- W4313431063 modified "2023-10-14" @default.
- W4313431063 title "Study of the effect nitro and hydroxyl substituents of two Imidazopyridines derivatives on inhibitory efficacy: Combining Theoretical and Experimental Study" @default.
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- W4313431063 doi "https://doi.org/10.21203/rs.3.rs-2418901/v1" @default.
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