Butyl substituents in n-butylamine and their influence on mild steel corrosion inhibition in hydrochloric acid
1997
Bastidas Rull, José María | Damborenea, Juan de | Vázquez, Alfonso J.
This paper describes a study of the influence of the butyl group as substituent in n-butylamine used as a mild steel corrosion inhibitor in hydrochloric acid solution. An inhibition mechanism is proposed. n-Butylamine, dibutylamine and tributylamine were studied in concentrations from 10-4 to 1 M and in the temperature range 278-308 K using electrochemical, gravimetric and surface roughness techniques. The three inhibitors adsorbed on the mild steel according to a Frumkin isotherm.
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