Abstract
Abstract: The effect of 2-Mercaptobenzothiazole on the corrosion rate of mild steel in 1.0M hydrochloric acid solution has been studied. The protection efficiency obtained by weight loss method at 20,30 and 40°C temperature using 100, 200 and 400ppm concentrations of the inhibitor. The investigated results showed that the inhibition efficiency increases with the increase in concentration of the inhibitor and decreases with the increase in temperature. The behaviour was found to be in good agreement with Scanning Electron Micrographs (SEM) analysis. The SEM analysis indicated that the metal surface was in a better condition in the presence of the Inhibitor as compared to the specimen exposed in the absence of the inhibitor. 2- Mercaptobenzothiazole acted as a very good corrosion inhibitor for mild steel in acidic medium.
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