Inhibition Effect of Rhodanine for Corrosion of Mild Steel in Hydrochloric Acid Solution1
R. Solmaz, G. Karda
, B. Ya
i
i, and M. Erbil
Department of Chemistry, Faculty of Art and Science,
Cukurova University, 01330, Balcali, Adana, Turkey
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Received July 5, 2004
Abstract — The inhibition effect of Rhodanine on the corrosion performance of mild steel (MS) was studied in 0.5 M HCl solution. For this purpose, potentiodynamic polarization, electrochemical impedance spectroscopy, and long-term corrosion tests including hydrogen evolution and change in open-cirquit potential during immer-sion time were used. To determine activation energy of corrosion process, potentiodynamic polarization curves were also obtained in a temperature range from 298 to 328 K. The results show that Rhodanine effectively inhibits the MS corrosion in hydrochloric acid solution.