The inhibition behavior of metol (N-methyl-p-aminophenol sulphate) on mild steel in HCl and H2SO4 containing different concentration of metol at room temperature was investigated by chemical and electrochemical method. It has been observed that corrosion rate decreases and inhibition efficiencies and surface coverage degree increases with increasing in metol concentration. The recorded electrochemical data indicated the basic modification of steel surface as a result in a decrease in the corrosion rate. Corrosion inhibition could be explained by considering an interaction between metal surface and the inhibitor. SEM studies revels the formation of passive film on the metal surface.
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Praveen B M (2009) studied this question.
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