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2017 | 10 | 95-100
Article title

Photochemical screening and corrosion inhibition of Poupartia birrea back extracts as a potential green inhibitor for mild steel in 0.5 M H2SO4 medium

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Corrosion of metals is a serious environmental problem and has been given much attention in the oil and gas industries. In several industrial processes (acid cleaning and etching, removal of rust and scale), metal surfaces are often made to come in contact with acids. In the present study, an attempt was made to examine Poupartia birrea (P. birres) back extract as a potential green corrosion inhibitor for mild steel in a 0.5 M H2SO4 medium, using the weight loss determination method. The results of our work indicate that highest inhibition efficiency exhibited by Poupartia birrea is 70%. The inhibiting effect of the studied extract could be attributed to the presence of phytochemical constituents present in the extract that are adsorbed on the surface of the mild steel. The plant extract can, hence, be considered as being eco-friendly and an effective green corrosion inhibitor for mild steel exposed to an acid medium.
Physical description
  • Physical/Theoretical Chemistry Research Group, Department of Pure and Applied Chemistry, University of Calaabr, Calabar, Cross River State, Nigeria,
  • Department of Chemistry, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
  • Department of Chemistry, University of Gujrat, Gujrat, Pakistan
  • Department of Chemistry, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
  • Department of Chemistry, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
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  • [2] Louis, H., Okpako, E. C, Magu, T. O., Akwo, J. K., Akakuru O. U., Bisong, E.A. (2017). Phytochemical screening and proximate nutritional analysis of brown leaves of Indian almond (Terminalia catappa L). International Journal of Scientific and Research Publications, Volume 7, Issue 3, March 2017, pp. 141-144.
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  • [5] M. Lebrini, F. Robert, C. Roos, Alkaloids extract from Palicourea guianensis plant as corrosion inhibitor for C38 Steel in 1 M hydrochloric acid medium, Int. J. Electrochem. Sci. 6 (2011) 847-859.
  • [6] M. Znini, M. Bouklah, L. Majidi, S. Kharchouf, A. Aouniti, A. Bouyanzer, B. Hammouti, Chemical composition and inhibitory effect of Mentha spicata essential oil on the corrosion of steel in molar hydrochloric acid. Int. J. Electrochem. Sci. 6 (2011) 691-704.
  • [7] Mathina A, and Rajalashmi. Corrosion inhibition of mild steel in acid medium using canna indica as green corrosion inhibitor. RASĀYAN Journal of Chemistry 9(1) (2016) 56-66
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