Corrosion inhibition of mild steel in hydrochloric acid solution using fatty acid derivatives

N. K. Mohd, Mariyam Jameelah Ghazali, Yeong Shoot Kian, Nor Azowa Ibrahim, Wan Md Zin Wan Yunus, Siti Mariam Mohd Nor, Zainab Idris

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The inhibitive actions of fatty acid derivatives namely palmitate hydrazide (PH), N-ethylidene palmitate hydrazide (EPH) and N-phenylmethylidene palmitate hydrazide (PPH) on mild steel in 1 M hydrochloric acid were investigated using open circuit potential, linear polarisation and electrochemical impedance spectroscopy techniques. It was observed that the percentage of inhibition efficiency (?%) increased with increasing concentrations of inhibitor and temperature of test medium. The maximum ?% approaches 85% in the presence of 200 mg litre-1 of inhibitors EPH and PPH at 308 ± 1K. The inhibitor efficiencies were found to be in the following order: PPH>EPH>PH. The adsorption of these inhibitors on mild steel surface obeys Langmuir adsorption isotherm. They act as mixed-type inhibitors. Scanning electron microscopy-energy dispersive X-ray (SEM-EDX) was also carried out on polished mild steel coupons and those immersed in the test medium with the absence and presence of 200 mg litre-1 of the inhibitors studied.

Original languageEnglish
Pages (from-to)97-109
Number of pages13
JournalJournal of Oil Palm Research
Volume29
Issue number1
Publication statusPublished - 1 Mar 2017

Fingerprint

hydrazides
Corrosion
Hydrochloric Acid
Palmitates
Steel
hydrochloric acid
palmitates
corrosion
Hydrochloric acid
steel
Fatty acids
Carbon steel
Fatty Acids
chemical derivatives
Derivatives
fatty acids
Electrochemical impedance spectroscopy
Adsorption isotherms
Polarization
Adsorption

Keywords

  • Corrosion inhibition
  • Fatty acid derivatives
  • Mild steel
  • Schiff base

ASJC Scopus subject areas

  • Food Science
  • Biomaterials
  • Renewable Energy, Sustainability and the Environment
  • Agronomy and Crop Science

Cite this

Mohd, N. K., Ghazali, M. J., Kian, Y. S., Ibrahim, N. A., Yunus, W. M. Z. W., Nor, S. M. M., & Idris, Z. (2017). Corrosion inhibition of mild steel in hydrochloric acid solution using fatty acid derivatives. Journal of Oil Palm Research, 29(1), 97-109.

Corrosion inhibition of mild steel in hydrochloric acid solution using fatty acid derivatives. / Mohd, N. K.; Ghazali, Mariyam Jameelah; Kian, Yeong Shoot; Ibrahim, Nor Azowa; Yunus, Wan Md Zin Wan; Nor, Siti Mariam Mohd; Idris, Zainab.

In: Journal of Oil Palm Research, Vol. 29, No. 1, 01.03.2017, p. 97-109.

Research output: Contribution to journalArticle

Mohd, NK, Ghazali, MJ, Kian, YS, Ibrahim, NA, Yunus, WMZW, Nor, SMM & Idris, Z 2017, 'Corrosion inhibition of mild steel in hydrochloric acid solution using fatty acid derivatives', Journal of Oil Palm Research, vol. 29, no. 1, pp. 97-109.
Mohd, N. K. ; Ghazali, Mariyam Jameelah ; Kian, Yeong Shoot ; Ibrahim, Nor Azowa ; Yunus, Wan Md Zin Wan ; Nor, Siti Mariam Mohd ; Idris, Zainab. / Corrosion inhibition of mild steel in hydrochloric acid solution using fatty acid derivatives. In: Journal of Oil Palm Research. 2017 ; Vol. 29, No. 1. pp. 97-109.
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