Unused clopidogrel drug as eco-friendly corrosion inhibitor for carbon steel in aqueous media

Unused clopidogrel drug as eco-friendly corrosion inhibitor for carbon steel in aqueous media

Effect of Clopidogrel drug on the corrosion of carbon steel in 2 M HCl solution has been investigated by various corrosion monitoring techniques. Results obtained reveal that this drug is very good inhibitor. Polarization studies clearly reveal the type of the inhibitor. Changes in impedance paramet...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces Vol. 53; no. 1; pp. 139 - 149
Main Authors: Fouda, A. S., Mahmoud, W. M., Elawayeb, K. M. A.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 2017
Springer Nature B.V
Subjects:
Adsorption
Carbon steels
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Corrosion effects
Corrosion inhibitors
Corrosion prevention
Drugs
Industrial Chemistry/Chemical Engineering
Inhibition
Inorganic Chemistry
Materials Science
Metallic Materials
Physicochemical Problems of Materials Protection
Surface chemistry
Tribology
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Summary:Effect of Clopidogrel drug on the corrosion of carbon steel in 2 M HCl solution has been investigated by various corrosion monitoring techniques. Results obtained reveal that this drug is very good inhibitor. Polarization studies clearly reveal the type of the inhibitor. Changes in impedance parameters ( R ct and C dl ) are indicative of adsorption of the drug on the C-steel surface leading to the formation of a protective film. The adsorption of the drug on the C-steel surface follows Temkin adsorption isotherm. The morphology of inhibited carbon steel surface was analyzed and characterized by Fourier transform–infrared (FT-IR) and (UV/vis) spectroscopy. The mechanism of protection process was discussed in terms of the adsorption of Clopidogrel on the metal surface.
Bibliography:ObjectType-Article-1
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ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205117010063