1. Marija Mitrović, Tehnološki fakultet u Istočnom Sarajevu,
Republic of Srpska, Bosnia and Herzegovina
2. Nebojša Vasiljević, Univerzitet u Istočnom Sarajevu, Tehnološki fakultet Zvornik,
Republic of Srpska, Bosnia and Herzegovina
3. Regina Fuchs-Godec, Faculty of Chemistry and Chemical Engineering, University of Maribor, Slovenia
4. Kristina Djerić, Faculty of Technology, University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
5. Vladan Mićić,
Republic of Srpska, Bosnia and Herzegovina
6. Milorad Tomić, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
This paper examines the possibility of using wild oregano extract (Origanum vulgare) as an environmentally friendly corrosion inhibitor for two types of steel in 3% NaCl without and with the addition of an inhibitor. The inhibitor efficiency was analyzed by gravimetric methods and electrochemical tests (Tafel polarization and electrochemical impedance spectroscopy) at extract concentrations of 0.5; 1.0 and 1.5 g/L and exposure times of 2, 4, 6, 8, 24, 72 and 168 hours. The addition of the extract significantly reduces the corrosion rate, with an increase in the protection factor compared to the uninhibited solution. For Steel 1, the highest efficacy was achieved at 1.5 g/L of extract, while for Steel 2, favorable efficacy was achieved already at an extract concentration of 1.0 g/L. The obtained results indicate that wild oregano extract forms a protective adsorption layer on the surface of steel, which is why it can be used as a green corrosion inhibitor.
Ključne reči :
Tematska oblast:
SIMPOZIJUM D - Ekološki održivi materijali
Datum:
19.07.2026.
Contemporary Materials 2026 - Savremeni Materijali
Datoteka uz rad
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