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- Title
THEORETICAL AND EXPERIMENTAL STUDIES OF THE CORROSION BEHAVIOR OF SOME THIAZOLE DERIVATIVES TOWARD MILD STEEL IN SULFURIC ACID MEDIA.
- Authors
Berisha, Avni; Podvorica, Fetah I.; Mehmeti, Valbonë; Syla, Fidan; Vataj, Debatik
- Abstract
The corrosion behavior of iron in diluted aqueous sulfuric acid medium has been studied in the presence and absence of 6-ethoxybenzo[d]thiazol-2-amine (EBT), 5-bromothiazol-2-amine (BTA) and 4,5-dimethylthiazol-2-amine (DTA). Potentiodynamic measurements showed the shift of corrosion potential towards a more negative potential indicating that these compounds mostly act as cathodic inhibitors due to their adsorption on the iron surface. The adsorbed film of these molecules hinders the transport of metal ions from the metal to the solution and also retards hydrogen evolution reaction by acting as a physical barrier. The molecules were also studied by density functional theory (DFT), using the B3LYP functional in order to determine the relationship between molecular structure and the corrosion inhibition efficiencies.
- Subjects
MILD steel; SULFURIC acid; STEEL corrosion; CARBON steel; INORGANIC acids
- Publication
Macedonian Journal of Chemistry & Chemical Engineering, 2015, Vol 34, Issue 2, p287
- ISSN
1857-5552
- Publication type
Article
- DOI
10.20450/mjcce.2015.576