Article citationsMore>>

Khaled, K.F. (2008) Application of Electrochemical Frequency Modulation for Monitoring Corrosion and Corrosion Inhibition of Iron by Some Indole Derivatives in Molar Hydrochloric Acid. Materials Chemistry and Physics, 112, 290-300.
https://doi.org/10.1016/j.matchemphys.2008.05.056

has been cited by the following article:

• TITLE: Electrochemical and Surface Characterization Studies of 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile Compound on Copper in 2 M HNO3

  AUTHORS: Ahmed M. Eldesoky, Azza M. Attia, Omayma E. Ahmed, Mohamed A. Abo-Elsoud

  KEYWORDS: Carbonitrile, Cu, SEM, EDX, EIS, EFM

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.7 No.12, December 27, 2019

  ABSTRACT: The corrosion hindrance of Cu in 2.0 M HNO3 solution by 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile compound has been studied, using Potentiodynamic Polarization (PP), AC Impedance (EIS), Electrochemical Frequency Modulation (EFM) techniques. Also, EIS test was utilized to confirm the corrosion protection mechanism. 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile compound is suggested as a mixed kind inhibitor. SEM and EDX investigations of the Cu in 2.0 M HNO3 surface revealed that assembles protect Cu from corrosion by adsorption on its surfaces by a forming coating film. Clearly, the assembled mechanisms play a role as a barrier to corrosive solution.