Milan Bartos, N. Hackerman
Dec 1, 1992
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Quality indicators
Journal
Journal of The Electrochemical Society
Abstract
The effect of propargyl alcohol (PA) on iron dissolution reaction in deaerated hydrochloric acid was studied by several electrochemical methods. Results of quasi-steady-state polarization measurements showed that PA strongly influences the chloride-involving dissolution reaction proceeding at lower anodic potentials. The values of polarization resistance and double-layer capacitance obtained by analysis of impedance spectra indicate a change of protective properties of an organic protective film with time. The impedance spectra taken at three different anodic potentials showed the potential dependence of adsorptionjdesorption process of electroactive intermediates