期刊
BIOELECTROCHEMISTRY
卷 124, 期 -, 页码 156-164出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2018.07.006
关键词
Cuscuta reflexa; Green corrosion inhibitor; Mild steel; Electrochemical impedance spectroscopy; Polarization measurements; SEM; AFM; Quantum chemical calculations
The corrosion inhibition nature of Cuscuta reflexa fruit extract, belonging to the family of Piperaceae, has been analyzed on mild steel in 0.5 M H2SO4 with the help of weight loss studies, potentiodynamic polarization, and electrochemical impedance spectroscopy techniques. The C. reflexa extract contains 3 methoxy 3,4,5,7 tetrahydroxy flavone, which decreases the corrosion rate of mild steel in acidic medium. The maximum corrosion inhibition efficiency was observed at 500 mg/L inhibitor concentration. The adsorption study of C reflexa extract on mild steel surface has been conducted using UV, FTIR, AFM, SEM, and DFT. (C) 2018 Elsevier B.V. All rights reserved.
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