Application of Argan plant extract as green corrosion inhibitor for steel in 1 mol/L HCl

金属学报(英文版), 2012, 25(1): 10-18.

Application of Argan plant extract as green corrosion inhibitor for steel in 1 mol/L HCl

The effect of Argan plant extract (APE) on the corrosion of the steel in hydrochloric acid medium was studied using gravimetric, electrochemical polarization and impedance spectroscopy (EIS) measurements. Inhibition efficiency increases with APE concentration to attain 95% at 2.5 g/L. We note good agreement between gravimetric and electrochemical methods (potentiodynamic polarization and EIS). Effect of temperature is also made in the 298-328 K range. Polarization measurements show also that APE act as a mixed inhibitor. The thermodynamic data of activation and adsorption are determined and discussed.

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Application of Argan plant extract as green corrosion inhibitor for steel in 1 mol/L HCl

参考文献