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Study of the Corrosion inhibitor for Steel XC70 in different Concentrations of acid and at room temperature of N-mesitylimidazole

Author Affiliations

  • 1Ouargla University / Laboratory of Valuation and Promotion for Saharan Resources Ouargla University route Ghardaia 511. BP / ALGIERS
  • 2 University Rennes 1 / CNRS UMR 6226-UNIVERSITY Rennes 1 'Chemical Sciences Rennes' Team 'and Organometallic Catalysis', Campus de Beaulieu, Bat 10C, Avenue du Général Leclerc, 35042 Rennes Cedex / FRANCE

Int. Res. J. Earth Sci., Volume 3, Issue (1), Pages 7-12, January,25 (2015)

Abstract

In this paper, we study the effectiveness of corrosion inhibition of X70 carbon steel in the acidic medium HCl 1M at different concentrations and at ambient temperature using the compound prepared in laboratory in France this compound is: N -mésitylimidazole. This study was conducted at analytical laboratory and the inhibitory. We have used two methods: conventional method of weight loss and the method of electrochemical polarization curves (impedance spectroscopy). The results obtained by the method of weight loss have shown that the inhibitory effectiveness of this compound is greater than 96%, while it is around 65% for the electrochemical method. Through adsorption curves Langmir and Timken, we find that there was adsorption of this compound on the metal surface.

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