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    EIS investigation of passive film formation on mild steel in oxalic acid solution

    The properties of oxide films on mild steel formed anodically in aqueous solution containing oxalic acid were investigated by means of electrochemical impedance spectroscopy (EIS). The morphology of the passiv...

    A. Ashrafi, M. A. Golozar, S. Mallakpour in Journal of Applied Electrochemistry (2008)