article · Archives of Metallurgy and Materials
The corrosion inhibition performance of clindamycin for mild steel in 2.0 M H2SO4 has been studied using gravimetric and electrochemical methods. The results showed that the clindamycin inhibited mild steel corrosion in 2.0 M H2SO4 solution. The inhibition efficiency was found to increase with an increase in the concentration of clindamycin and decrease with an increase in the temperature. The maximum inhibition efficiency was obtained at 303 K (91.1%). Potentiodynamic polarization results reveal that clindamycin is a cathodic-type corrosion inhibitor lower concentrations and an anodic-type corrosion inhibitor at higher concentrations. The experimental data fitted the Langmuir adsorption isotherm and the adsorption of clindamycin was found to be spontaneous. The values of activation energy and Gibb’s free energy were found within the range of limits expected for the mechanism of physical adsorption.
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DOI: 10.24425/amm.2024.151414
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