Sukul, Dipankar and Pal, Aparesh and Mukhopadhyay, Shipra and Saha, Sourav Kr and Banerjee, Priyabrata (2018) Electrochemical behaviour of uncoated and phosphatidylcholine coated copper in hydrochloric acid medium. Journal of Molecular Liquids, 249. pp. 930-940.

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Abstract

Electrochemical reactions occurring at the copper-aqueous hydrochloric acid interface and efficacy of phosphatidylcholine coating towards retarding the rate of these reactions are been assessed through potentiodynamic polarization and electrochemical impedance spectroscopic methods. Phosphatidylcholine coating retards the rate of both cathodic and anodic reactions at the metal-electrolyte interface and maintains high degree of corrosion inhibition efficiency for copper in hydrochloric acid with 0.5 M to 2 M concentration up to 96 h of exposure time. Mode of adsorption of phosphatidylcholine molecule on copper surface in acid medium is explained from FTIR spectroscopic data and corroborated with quantum chemical results.

Item Type:	Article
Subjects:	Chemistry
Depositing User:	Dr. Arup Kr. Nandi
Date Deposited:	09 Jul 2020 12:01
Last Modified:	09 Jul 2020 12:01
URI:	http://cmeri.csircentral.net/id/eprint/539

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