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The inhibition performance of four benzylidine malononitriles (BMNs) on mild steel (MS) in 1M HCl was studied by weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The associated activation energy (E a ) and free energy of adsorption (ΔGads°) have been determined. The adsorption of inhibitors on MS surface obeyed the Langmuir’s adsorption isotherm....
The inhibition effect of 3,4-dihydropyrimidin-2(1H)-ones (DHPMs) on the corrosion of mild steel in hydrochloric acid medium has been investigated using weight loss measurements, electrochemical impedance spectroscopy, potentiodynamic polarization and quantum chemical study. Among the compounds studied, DHPM-3 exhibited the best inhibition efficiency η (%) 99% at 10mgL −1 at 308K. Polarization...
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