Abstract
The stability of a rusted steel surface exposed to a 0.11 M sodium sulphate solution has been studied. Electrochemical impedance spectroscopy, polarization resistance and atomic absorption analysis techniques were used in conjunction with mild steel specimens rusted in a rural atmosphere and treated with different concentrations of phosphoric acid. Since most of the impedance diagrams obtained differ from the typical semicircle, it is not clear how to obtain kinetic information on the corrosion process. The polarization resistance technique gives more useful data.
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Feliu, S., Bastidas, J.M., Galvan, J.C. et al. Electrochemical determination of rusted steel surface stability. J Appl Electrochem 23, 157–161 (1993). https://doi.org/10.1007/BF00246953
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DOI: https://doi.org/10.1007/BF00246953