Abstract
Electrochemical synthesis of poly 3-amino-5-hydroxypyrazole (PAHP) on copper electrode surface was carried out by cyclic voltammetry technique in 0.03 M 3-amino-5-hydroxypyrazole solution containing 0.3 M oxalic acid. The formation of dark brown PAHP on copper surface was characterized by cyclic voltammetry, FTIR and scanning electron microscopy techniques. The corrosion characteristics of copper/PAHP electrode were evaluated by electrochemical methods and electrochemical impedance spectroscopy in 3.5% NaCl solution. The obtained results indicated that PAHP thin film coating was an excellent inhibitor and controlled copper corrosion against corrosive agents in 3.5% NaCl solution.
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Khorrammaslack, N., Farhadi, K., Seyedahmadian, S.M. et al. Electrochemical preparation of poly 3-amino-5-hydroxypyrazole on copper and its corrosion protection efficiency. J Coat Technol Res 17, 1269–1276 (2020). https://doi.org/10.1007/s11998-020-00345-0
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DOI: https://doi.org/10.1007/s11998-020-00345-0