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Electrochemical and Adsorption Behaviour Study for Corrosion Inhibition Efficiency and Position of Group in Schiff Base for Aluminium in Acidic Media

Unnati J. Naik, N. K. Shah

Inhibition efficiency of newly synthesized Schiff base of benzaldehyde were investigated based on the position of functional group towards Aluminium in HCl using weight loss and electrochemical techniques –polarization and electrochemical impedance spectroscopy (EIS). Inhibition efficiency of these inhibitors was found to depend on the adsorption behaviour and molecular structure remarkably when the inhibitor concentration is low. Para substituted molecule has shown high inhibition efficiency in general.