The mechanism of corrosion inhibition was explored and supplemented by adsorption and surface morphological studies. Quantum mechanical investigations on corrosion behaviour of compounds were also conducted and satisfying correlation was noticed between the results of corrosion measurement methods and quantum mechanical evaluations. | Interaction of two heterocyclic Schiff bases derived from 2-acetyl pyridine on mild steel in hydrochloric acid Physicochemical and corrosion inhibition investigations Current Chemistry Letters 9 2020 19 30 Contents lists available at GrowingScience Current Chemistry Letters homepage Interaction of two heterocyclic Schiff bases derived from 2-acetyl pyridine on mild steel in hydrochloric acid Physicochemical and corrosion inhibition investigations M. Paulson Binsia Thomas K. Jobya K. Ragia Varghese C. Sinia and Johnson Reejaa a Research division Dept. of Chemistry St. Thomas College Autonomous Thrissur Kerala 68000 India CHRONICLE ABSTRACT Article history Two heterocyclic Schiff bases namely E -2- 1- 2-phenylhydrazono ethyl pyridine or 2- Received March 13 2019 acetyl pyridine phenyl hydrazone 2APPH and E -2- 1-triazylidineethyl pyridine or 2- Received in revised form acetyl pyridine semicarbazone 2APSC were synthesized characterized and their corrosion June 17 2019 inhibition behaviour as well as mechanism of inhibition were investigated by different Accepted June 17 2019 techniques. Structural characterization includes NMR Mass IR and UV-visible spectroscopy Available online and elemental analysis. Corrosion inhibition behaviour of aforesaid compounds on mild steel June 17 2019 in 1M hydrochloric acid was examined by electrochemical methods including potentiodynamic Keywords polarization analysis and electrochemical impedance spectroscopic techniques. The Schiff base Corrosion Inhibitor mechanism of corrosion inhibition was explored and supplemented by adsorption and surface Polarization morphological studies. Quantum mechanical investigations on corrosion behaviour of Impedance compounds were also conducted and satisfying correlation was noticed between the results of Adsorption corrosion measurement methods and quantum mechanical evaluations. 2020 by the authors licensee Growing Science Canada. 1. Introduction The study of Schiff bases .
