Downloading: Study the Synergistic Inhibition for Nanocomposite Based on Biosynthesized Iron Nanoparticle and Purine Compounds on Steel Corrosion in Sulfuric Acid
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064


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Study the Synergistic Inhibition for Nanocomposite Based on Biosynthesized Iron Nanoparticle and Purine Compounds on Steel Corrosion in Sulfuric Acid

Ahmed A. Farag, W. Ahmed, Khaled Zakaria, Ibrahim M. Nassar

Abstract: Nanocomposite material based on Iron nanoparticles colloidal (FeNPC) and Purine were used through this work. (FeNPC) was biosynthesized and characterized by dynamic light scattering (DLS) and UV-visible spectroscopy. FeNPC was evaluated as synergistic inhibition with two purine inhibitors namely 1H-pyrazolo[3, 4-d]pyrimidin-4 (2H) -one (PU1) and 6-[ (1-methyl-4-nitro-5-imidazolyl) sulfanyl] purine (PU2) on the corrosion of carbon steel in 0.5 mol dm-3 H2SO4 solution by electrochemical techniques. The potentidynamic polarization curves indicated that PU1 and PU2 behave as a mixed-type inhibitor while in the presence of FeNPC and its mixture with PU1 and PU2 behave as a cathodic inhibitor. There is a synergism between purine inhibitors and the biosynthesis FeNPC, and the values of synergism parameter (S) are higher than unity.

Keywords: Metals, Nanostructures, Organic compounds, Electrochemical techniques, and Corrosion


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