Nahlé, A. and El Ouadi, Y. and Bouyanzer, A. and Majidi, L. and Paolini, J. and Desjobert, J.M. and Costa, J. and Chahboun, N. and Zarrouk, A. and Hammouti, B. (2016) Evaluation of Melissa Officinalis extract and oil as eco-friendly corrosion inhibitor for carbon steel in acidic chloride solutions. Oriental Journal of Chemistry, 32 (4). pp. 1909-1921.

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Abstract

The extract (E) and oil of Melissa Officinalis leaves (EO) have been evaluated as a corrosion inhibitors for carbon steel in 1.0 M HCl solution by means of weight loss measurements, potentiodynamic polarization, and electrochemical impedance spectroscopy (EIS). Tafel polarization study revealed that extract (E) and oil of Melissa Officinalis (EO) act as a mixed type inhibitors. The Nyquist plots showed that with increasing the inhibitors concentrations, the charge-transfer resistance increased and the double-layer capacitance decreased, involving increased inhibition efficiency. The inhibition was found to increase with increasing the concentration of the extract (E) and oil of Melissa Officinalis (EO). The values of inhibition efficiency calculated from weight loss, Tafel polarization curves, and EIS were in good agreement. The effect of temperature on the corrosion behaviour of mild steel in 1.0 M HCl with addition of both extract (E) and oil of Melissa Officinalis (EO) was also studied and thermodynamic parameters were determined and discussed. © 2016, Oriental Scientific Publishing Company. All rights reserved.

Item Type: Article
Subjects: Biochemistry, Genetics and Molecular Biology
Divisions: SCIENTIFIC PRODUCTION > Biochemistry, Genetics and Molecular Biology
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:44
URI: http://eprints.umi.ac.ma/id/eprint/1553

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