Corrosion Inhibition of Two Schiff Base Complexes on The Mild Steel in 1M HCl Solution

Document Type : Original Article

Authors

1 Chemistry Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia

2 Department of Chemistry, Faculty of Science (Girls), Al-Azhar University, P.O. Box: 11754, Yousef Abbas Str., Nasr City, Cairo, Egypt

3 Mining, Petroleium, Metallurgical Engineering Dept., Faculty of Engineering, Cairo Univerrsity

4 Corrosion and Surface Protection, Central Metallurgical Research and Development Institute (CMRDI), Helwan, Egypt

Abstract

Corrosion inhibition of two Schiff base complexes were examined for mild steel in 1M HCl solution. These two Schiff base complexes, Cd(II) and UO2(II) were synthesized through the reaction of CdCl2.H2O and UO2(NO3)2.6H2O with the Schiff base ligand N-carbamimidoyl-4-((4-chlorobenzylidene) - amino) benzenesulfonamide in ethanol. The corrosion behavior was studied for the mild steel by weight loss method, Open circuit potential measurements (OCP), Potentiodynamic polarization (Tafel polarization), and Electrochemical impedance spectroscopy (EIS). The compounds have a promising corrosion inhibition materials for the mild steel in the investigated acid medium.

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History

  • Receive Date: 28 March 2019
  • Revise Date: 31 May 2019
  • Accept Date: 12 June 2019

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