DOI QR코드

DOI QR Code

Inhibition Effect of Nevirapine an Antiretroviral on the Corrosion of Mild Steel Under Acidic Condition

  • Bhat, J. Ishwara ;
  • Alva, Vijaya D.P.
  • Received : 2011.07.19
  • Accepted : 2011.08.25
  • Published : 2011.10.20

Abstract

Corrosion inhibition of mild steel by nevirapine, an antiretroviral has been investigated using potentiodynamic polarization, electrochemical impedance spectroscopy technique and weight loss methods. The experimental results suggested, nevirapine is a good corrosion inhibitor for mild steel in 1M hydrochloric acid medium and the inhibition efficiency increased with increase in inhibitor concentration. The kinetic parameters for corrosion process and thermodynamic parameters for adsorption process were calculated and discussed. The adsorption of the inhibitor on the surface of mild steel followed Langmuir adsorption isotherm.

Keywords

Mild steel;Weight loss;Polarisation;EIS;Acid corrosion

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