Inhibition effect of a new pyrimidine derivative on the corrosion of mild steel in hydrochloric acid solution

Prakash B. Shetty, T. H. Suresha Kumara, D. M. Mamatha, Vaishaka R. Rao, A. Chitharanjan Hegde

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The inhibition effect of a newly synthesized pyrimidine derivative, namely 3-(2-(4-(hydroxymethyl)-1H-1,2,3-triazol-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one, on the corrosion of mild steel in 1.0 M HCl medium was investigated using the weight loss, the Tafel extrapolation technique and the AC impedance spectroscopy. The effect of the inhibitor concentration, temperature and concentration of the acid mixture media on the inhibitor action was also studied. It was observed that the anti-corrosion efficiency increases with an increase in the inhibitor concentration, but decreases with an increase in temperature. Thermodynamic parameters for the dissolution process were determined. The adsorption of the pyrimidine derivative on the mild steel surface was found to obey the Langmuir adsorption isotherm.

Original languageEnglish
Pages (from-to)42-51
Number of pages10
JournalSurface Engineering and Applied Electrochemistry
Volume53
Issue number1
DOIs
Publication statusPublished - 01-01-2017

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Industrial and Manufacturing Engineering

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