Etude du pouvoir inhibiteur de la 2,9-chlorométhyl-1,10-phénanthroline pour la corrosion d'un acier doux en milieu HCL 1M A 90 °CStudy of the inhibiting power of 2,9-chloromethyl-1,10-phenanthroline for the corrosion of mild steel in molar hydrochloric acid solution at 90°C

The corrosion inhibition effect of phenanthroline (Phen) and its cobalt complex (CoPhen) on the corrosion of carbon steel in sulphuric acid solutions was studied using potentiodynamic polarization and electrochemical impedance spectroscopy techniques at 20, 30, and 40°C. Scanning electron microscopy techniques were used to characterize the mild steel surface. The results indicate that the compounds inhibit the corrosion of mild steel in H 2 SO 4 solutions through a predominant physical adsorption following the Langmuir adsorption isotherm. Polarization curves suggest that the complex and ligand are mixed-type inhibitors. The efficiency of the inhibitors is concentration-and temperature-dependent and follows the trend CoPhen > Phen.

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Electrochemical Study on the Inhibition Effect of Phenanthroline and Its Cobalt Complex as Corrosion Inhibitors for Mild Steel

Liu

Okafor

Jiang

et al. 2015

J. of Materi Eng and Perform

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Effect of Mixed-Ligands Copper Complex on the Corrosion Inhibition of Carbon Steel in Sulfuric Acid Solution

et al. 2020

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Inhibitive action of bipyrazolic type organic compounds towards corrosion of pure iron in acidic media

Chetouani¹,

Hammouti

Hadda³

et al. 2005

Applied Surface Science

184

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Etude du pouvoir inhibiteur de la 2,9-chlorométhyl-1,10-phénanthroline pour la corrosion d'un acier doux en milieu HCL 1M A 90 °CStudy of the inhibiting power of 2,9-chloromethyl-1,10-phenanthroline for the corrosion of mild steel in molar hydrochloric acid solution at 90°C

Cited by 13 publications

References 10 publications

Electrochemical Study on the Inhibition Effect of Phenanthroline and Its Cobalt Complex as Corrosion Inhibitors for Mild Steel

Electrochemical Study on the Inhibition Effect of Phenanthroline and Its Cobalt Complex as Corrosion Inhibitors for Mild Steel

Effect of Mixed-Ligands Copper Complex on the Corrosion Inhibition of Carbon Steel in Sulfuric Acid Solution

Inhibitive action of bipyrazolic type organic compounds towards corrosion of pure iron in acidic media

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