ASSESSMENT OF LOW CARBON STEEL CORROSION INHIBITION BY ECO-FRIENDLY GREEN CHAENOMELES SINENSIS EXTRACT IN ACID MEDIUM

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Title:	ASSESSMENT OF LOW CARBON STEEL CORROSION INHIBITION BY ECO-FRIENDLY GREEN CHAENOMELES SINENSIS EXTRACT IN ACID MEDIUM
Authors:	Ill-Min, Chung Venkatesan, Hemapriya Kanchana, Ponnusamy Natarajan, Arunadevi Subramanian, Chitra Chi-Hee, Youn Seung-Hyun, Kim Mayakrishnan, Prabakaran
Keywords:	Chaenomeles sinensis Corrosion Adsorption isotherm SEM Atomic force microscopy
Issue Date:	16-Jul-2018
Publisher:	The Korean Electrochemical Society
Abstract:	The impact of methanol extract of Chaenomeles sinensis (C. sinensis) leaves on acid corrosion of low carbon steel was assessed by gravimetric and electrochemical methods. Phytochemical characterization by total phenolic content (TPC), and total flavonoids content (TFC) of the extract was performed. The TPC and TFC concentrations were identified as 193.50 and 40.55 mg/g. Efficiency increased remarkably in the presence of inhibitor and found as concentration dependent. A maximum inhibition efficiency of 93.19% was achieved using 2000 ppm of the C. sinensis inhibitor. Impedance and surface morphology analysis by SEM and AFM revealed that the anticorrosive activity results from the protective film of phytochemical components of C. sinensis extract adsorbed on the metal surface.
URI:	https://doi.org/10.5229/JECST.2018.9.3.238
Appears in Collections:	2.Article (36)

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