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Butyl substituents in n-butylamine and their influence on mild steel corrosion inhibition in hydrochloric acid

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Abstract

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 278–308K using electrochemical, gravimetric and surface roughness techniques. The three inhibitors adsorbed on the mild steel according to a Frumkin isotherm.

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Authors and Affiliations

  1. Centro Nacional de Investigaciones Metalu´rgicas, CSIC, Avda. Gregorio del Amo 8, 28040-, Madrid, Spain

    J. M. BASTIDAS , J. DE DAMBORENEA  & A. J. VA´ZQUEZ

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  1. J. M. BASTIDAS
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  2. J. DE DAMBORENEA
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  3. A. J. VA´ZQUEZ
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BASTIDAS , J.M., DAMBORENEA , J.D. & VA´ZQUEZ , A.J. Butyl substituents in n-butylamine and their influence on mild steel corrosion inhibition in hydrochloric acid. Journal of Applied Electrochemistry 27, 345–349 (1997). https://doi.org/10.1023/A:1018441032374

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  • DOI: https://doi.org/10.1023/A:1018441032374

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