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3,5-bis(n-Hydroxyphenyl)-4-amino-1,2,4-triazoles and 3,5-bis(n-aminophenyl)-4-amino-1,2,4-triazoles: a new class of corrosion inhibitors for mild steel in 1m HCl medium

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Abstract

A new class of corrosion inhibitors, namely, 3,5-bis(n-hydroxyphenyl)-4-amino-1,2,4-triazoles and 3,5-bis(n-aminophenyl)-4-amino-1,2,4-triazoles which have been labelled n-HPAT and n-APAT has been synthesized. The influence of aminotriazoles on the corrosion of mild steel in 1m HCl has been studied using weight loss and electrochemical impedance spectroscopy. Results obtained show that these compounds are very good anodic inhibitors. The adsorption of these aminotriazoles is found to obey Langmuir adsorption isotherm.

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Authors and Affiliations

  1. Laboratoire de Cristallochimie et Physicochimie du Solide, URA CNRS 452, ENSCL, BP.108, 59652, Villeneuve d′Ascq Cedex, France

    F. Bentiss & M. Lagrenee

  2. Laboratoire de Génie des Procédés d′Interactions Fluides Réactifs-Matériaux, EA 2698, ENSCL, BP.108, 59652, Villeneuve d'Ascq Cedex, France

    M. Traisnel

  3. Faculté des sciences, Université Chouaib Doukkali, Eljadida, Morocco

    B. Mernari & H. Elattari

Authors
  1. F. Bentiss
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  2. M. Lagrenee
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  3. M. Traisnel
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  4. B. Mernari
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  5. H. Elattari
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Bentiss, F., Lagrenee, M., Traisnel, M. et al. 3,5-bis(n-Hydroxyphenyl)-4-amino-1,2,4-triazoles and 3,5-bis(n-aminophenyl)-4-amino-1,2,4-triazoles: a new class of corrosion inhibitors for mild steel in 1m HCl medium. Journal of Applied Electrochemistry 29, 1073–1078 (1999). https://doi.org/10.1023/A:1003421111890

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  • DOI: https://doi.org/10.1023/A:1003421111890

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