Abstract
Garcinia livingstonei leaves extract(GLLE)comprises several bioactive components. The environmentally sustainable inhibitorGLLEwas evaluated for mild steel (MS) corrosion control in 1 M HCl solution, employing mass loss, electrochemical impedance spectroscopy, and Tafel polarization methods. The GLLE adsorption showed the ability of inhibitor on MS.GLLEappears to be a mixed inhibitor. The rate of corrosion, inhibitor performance and effect of temperature were studied. Adsorption thermodynamic parameters were computed and interpreted. FT-IR spectra indicatedGLLEadsorption on the MS surface. SEM, AFM, and contact angle investigations revealed the modification of MS surface morphology in presence of GLLE.
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