Acid Corrosion Inhibition of Nickel by Some Organic/Macrocyclic Compounds

  • F. M. Mahgoub
  • B. A. Abd-El-Nabey
  • M. Khalifa
  • A. El-Hefnawy
Chapter

Abstract

The corrosion inhibition of nickel in 0.5 M sulfuric acid solution by 2-(triphenyl phosphoranylidene) succinic anhydride (2TPSA),1,4,8,11 tetraazocyclotetradecane (cyclam), and N, N′-bis(2-aminoethyl)-1,3-propane diamine (2,3,2 tet.) have been investigated using DC polarization technique.

The anodic polarization curves of nickel in 0.5 M H2SO4 at different concentrations of the three inhibitors were recorded at room temperature. The critical current density values were used to calculate the percentage inhibition for each inhibitor concentration. The results were compared with fits obtained from the application of Langmuir, Frumkin, Flory-Huggins isotherm, and also from the application of kinetic-thermodynamic model. The results obtained were correlated to the chemical structure and the macrocyclic effect of the inhibitors.

Keywords

Langmuir Isotherm Corrosion Inhibition Critical Current Density Sulfuric Acid Solution Succinic Anhydride 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • F. M. Mahgoub
    • 1
  • B. A. Abd-El-Nabey
    • 2
  • M. Khalifa
    • 2
  • A. El-Hefnawy
    • 1
  1. 1.Department of Material Science, Institute of Graduate Studies and ResearchAlexandria UniversityAlexandriaEgypt
  2. 2.Department of Chemistry, Faculty of ScienceAlexandria UniversityEgypt

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