Comparative analysis of corrosion inhibition on mild steel by parts of anogeissus leiocarpusin acidic medium

Authors

  • S. J. I. Ibejekwe Chemistry Department, School of Sciences, FCE Pankshin, P.M.B. 027, Pankshin, Plateau, Nigeria
  • B. Eke Uche Chemistry Department, Faculty of Physical Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
  • Sunday Elaigwu Chemistry Department, School of Sciences, FCE Pankshin, P.M.B. 027, Pankshin, Plateau, Nigeria
  • J. R. Waziri Chemistry Department, School of Sciences, FCE Pankshin, P.M.B. 027, Pankshin, Plateau, Nigeria

Keywords:

Anogeisuss leiocarpus, Potentiodynamic polarization (PDP), Weight loss, Gas chromatography mass spectroscopy (GCMS)

Abstract

This research investigates the corrosion inhibition by parts of Anogeisuss leiocarpus on mild steel in 0.5 M H2SO4 under temperature conditions of 30 -60 ℃ and exposure time of 3, 6 and 9 h using weight loss, and Potentiodynamic polarization (PDP) methods. The inhibition efficiencies (IE %) of the parts follows the trend: root (91.73 %) and leaf (89.64 %). The result shows with increase in the concentration (0.2 g, 0.4 g, 0.6 g and 0.8 g) of the methanol extract, inhibition efficiency (IE %) increases. Temperature and exposure time increase reveals increase in corrosion rate, hence decrease in inhibition efficiency (IE %). The gas chromatography mass spectroscopy (GCMS) result for the root and leaf reveals the phytoconstituents like Hexadecanoic acid, ethyl ester (30.42 %), DL-alpha-Hydroxylysine (18.27 %) , Glycerol 1-palmitate (17.63 %), 9-Octadecenoic acid (Z)-, methyl ester (29.45 %), Benzene, 2-methoxy-4-methyl-1-(1-methylethyl)- (21.78%), and Norcodeine (11.21 %) respectively may be responsible for the variation in the inhibition efficiencies between root and leaf.

Dimensions

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Published

2025-05-04

How to Cite

Comparative analysis of corrosion inhibition on mild steel by parts of anogeissus leiocarpusin acidic medium. (2025). Proceedings of the Nigerian Society of Physical Sciences, 2(1), 188. https://doi.org/10.61298/pnspsc.2025.2.188

Issue

Volume 2, NSPS-FUOYE Conference, Feb. 3 - 6, 2025

Section

Articles
Copyright & Licensing

Copyright (c) 2025 S. J. I. Ibejekwe (Author); B. Eke Uche, Sunday Elaigwu, J. R. Waziri (Translator)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Comparative analysis of corrosion inhibition on mild steel by parts of anogeissus leiocarpusin acidic medium. (2025). Proceedings of the Nigerian Society of Physical Sciences, 2(1), 188. https://doi.org/10.61298/pnspsc.2025.2.188