Corrosion inhibitor of carbon steel in 3.5%NaCl solution with Schiff base compounds

https://doi.org/10.53730/ijhs.v6nS6.9172

Authors

  • Mayada Talib Mohammed Department of Chemistry, College of Science, University of Baghdad, Baghdad, Iraq
  • Wadhah Naji Al-Sieadi Department of Chemistry, College of Science, University of Baghdad, Baghdad, Iraq
  • Oday H. R. Al-jeilawi Department of Chemistry, College of Science, University of Baghdad, Baghdad, Iraq

Keywords:

Polarization, inhibition, Carbon steel, Schiff base, Corrosion potential

Abstract

In this work, synthesized N4,N4`-bis(2, 3, 4 nitro benzylidene) biphenyi-4-4`-diamine(B1-B3) , was tested as an inhibitors in controlling the corrosion of carbon steel in NaCl 3.5% solution by using open circuit potential (OCP),at four different temperatures (293, 303, 313 and 323 K). Furthermore, the surface morphology was investigated using the Atomic force microscopy (AFM). The effect of using different Schiff bases and temperature was also investigated. Schiff bases was synthesized and characterized via using. Fourier Transform Infrared Spectroscopy (FT-IR)and Atomic Force Microscope (AFM) characterized . The experimental results shown that Schiff bases can consider as an excellent corrosion inhibitors for carbon steel in NaCl 3.5% solution, by presence of Schiff bases the corrosion of carbon steel was significantly suppressed. The inhibition efficiency is decreased with the increases of temperature. Kinetic and thermodynamic activation parameters (Ea, A, ΔH*, ΔS* and ΔG*) were calculated.

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Published

17-06-2022

How to Cite

Mohammed, M. T., Al-Sieadi, W. N., & Al-jeilawi, O. H. R. (2022). Corrosion inhibitor of carbon steel in 3.5%NaCl solution with Schiff base compounds. International Journal of Health Sciences, 6(S6), 57–75. https://doi.org/10.53730/ijhs.v6nS6.9172

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Section

Peer Review Articles