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[37724] Artykuł: Purine as an effective corrosion inhibitor for stainless steel in chloride acid solutionsCzasopismo: Corrosion Reviews Tom: 30, Zeszyt: 1-2, Strony: 33-45ISSN: 0334-6005 Wydawca: WALTER DE GRUYTER & CO, GENTHINER STRASSE 13, D-10785 BERLIN, GERMANY Opublikowano: Marzec 2012 Autorzy / Redaktorzy / Twórcy
Grupa MNiSW: Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A) Punkty MNiSW: 20 Klasyfikacja Web of Science: Article Pełny tekst DOI Web of Science Keywords: austenitic stainless steel  corrosion inhibition  kinetic parameters  polarization  purine  |
he influence of the concentration of purine (PU) on the corrosion of 304 austenitic stainless steel (SS) in chloride acid solutions was studied. The investigations involved electrochemical polarization methods and scanning electron microscopy. The inhibition efficiency increased with an increase in the concentration of PU. Tafel polarization study revealed that PU acted as a mixed-type inhibitor. The adsorption of PU has been found to occur on the surface of SS according to the Langmuir isotherm. The kinetic and thermodynamic parameters for SS corrosion and PU adsorption, respectively, were determined and discussed.