Electrochemical Evaluation of Opuntia Ficus and Tobacco Waste Extracts as Corrosion Inhibitors on Mild Steel in NaCl and HCl Solutions

2019 ◽  
Vol 36 (1) ◽  
pp. 141-150
Author(s):  
José L. Ramírez Reyes ◽  
Guillermina G. Mancera ◽  
Francisco Javier R. Gómez ◽  
Ernesto Gallardo Castán ◽  
Reyes C. Rendón
Keyword(s):  
Mild Steel ◽  
Corrosion Inhibitors ◽  
Electrochemical Evaluation ◽  
Tobacco Waste

ELECTROCHEMICAL INVESTIGATION OF 2-THIOHYDANTOIN DERIVATIVES AS CORROSION INHIBITORS FOR MILD STEEL IN ACIDIC MEDIUM

2021 ◽  
Author(s):  
Petar Stanić ◽  
◽  
Nataša Vukićević ◽  
Vesna Cvetković ◽  
Miroslav Pavlović ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Mild Steel ◽  
Acidic Medium ◽  
Corrosion Inhibitors ◽  
Electrochemical Impedance ◽  
Electrochemical Investigation ◽  
Force Microscopy ◽  
Atomic Force ◽  
Hcl Solution ◽  
Scanning Electron

Four 2-thiohydantoin derivatives were synthesized and their corrosion inhibition properties on mild steel (MS) in 0.5M HCl solution was evaluated using usual gravimetric and electrochemical methods (weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS). Morphology of the metal surface was characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM). The study has shown that these compounds provide good protection for mild steel against corrosion in the acidic medium.

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