USE OF SYZYGIUM AROMATICUM EXTRACT AS GREEN CORROSION INHIBITOR FOR MILD STEEL IN 0.5M H2SO4

Akhil Saxena, Dwarika Prasad and Rajesh Haldhar
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Akhil Saxena: Department of Chemistry, Lovely Professional University, Phagwara 144411, Punjab, India
Dwarika Prasad: Department of Chemistry, Lovely Professional University, Phagwara 144411, Punjab, India
Rajesh Haldhar: Department of Chemistry, Lovely Professional University, Phagwara 144411, Punjab, India

Surface Review and Letters (SRL), 2019, vol. 26, issue 06, 1-14

Abstract: The corrosion hindrance impact of Syzygium aromaticum fruit extract has been analyzed on mild steel (MS) corrosion in 0.5M H2SO4 by utilizing weight reduction estimations, potentiodynamic polarization estimations and electrochemical impedance spectroscopy (EIS) procedures. This Eugenol- and Eugenol-acetate-containing extract diminishes the corrosion rate of MS in acidic medium. The greatest corrosion restraint effectiveness was observed at 500mg/L inhibitor concentration in 0.5M H2SO4. The adsorption of Syzygium aromaticum extract on the surface of MS has been analyzed by utilizing atomic force microscopy (AFM), scanning electron microscopy (SEM) study and spectroscopic strategies.

Keywords: Syzygium aromaticum; green corrosion inhibitor; mild steel; electrochemical impedance spectroscopy; polarization measurements; SEM; AFM; quantum chemical calculations (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1142/S0218625X18502001

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