ELECTROCHEMICAL AND QUANTUM CHEMICAL ANALYSIS OF THE CORROSION OF MILD STEEL IN THE CRUDE LEAF EXTRACTS OF Cnidoscolus aconitifolius IN HCl MEDIUM

UGI, B. U. and UWAH, I. E. and OKAFOR, P. C. and OBETEN, M. E. and JACKSON, EKERETE (2016) ELECTROCHEMICAL AND QUANTUM CHEMICAL ANALYSIS OF THE CORROSION OF MILD STEEL IN THE CRUDE LEAF EXTRACTS OF Cnidoscolus aconitifolius IN HCl MEDIUM. Journal of Applied Chemical Science International, 6 (3). pp. 146-156.

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Abstract

Alkaloid and nonalkaloids extracts of Cnidoscolus aconitifolius stem is reported as corrosion inhibitor of mild steel in 1 M HCl. Conventional weight loss measurements, electrochemical and polarization techniques are employed to study the effect on mild steel corrosion in HCl solutions. The weight loss result revealed that both plant extracts are excellent corrosion inhibitors. Electrochemical polarization data revealed mixed mode of inhibition. The increase in % IE with change in concentration of the extracts suggests the strong adsorption of active molecules leading to the formation of a protective layer on the mild steel surface. It was found that adsorption of both stem extracts followed Langmuir adsorption.

Item Type: Article
Subjects: European Scholar > Chemical Science
Depositing User: Managing Editor
Date Deposited: 12 Jan 2024 05:13
Last Modified: 12 Jan 2024 05:13
URI: http://article.publish4promo.com/id/eprint/3078

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