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Corrosion inhibition of steel in 3.5 NaCl by rice straw extract

Othman, N.K. and Yahya, S. and Ismail, M.C. (2019) Corrosion inhibition of steel in 3.5 NaCl by rice straw extract. Journal of Industrial and Engineering Chemistry, 70 . pp. 299-310.

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Abstract

Inhibition of steel corrosion in 3.5 sodium chloride (NaCl) by rice straw extract (RSE) was studied via weight loss method up to 42 days immersion. The corrosion inhibition efficiency (IE) showed a consistent value with the highest IE of 92 and low corrosion rate, 0.013 mm/y. RSE was able to reduce pitting corrosion by presenting small hysteresis loop via cyclic polarization measurement. The formation of ferric-RSE layer due to complexation was confirmed via surface analysis. The presence of corrosion products on steel was significantly reduced by immersion in RSE. The inhibitory mechanism was proposed to be achieved through interphase inhibition. © 2018 The Korean Society of Industrial and Engineering Chemistry

Item Type:Article
Impact Factor:cited By 0
Uncontrolled Keywords:Corrosion inhibitors; Corrosion rate; Pitting; Plant extracts; Sodium alloys; Sodium chloride; Steel; Surface analysis, Corrosion inhibition; Corrosion inhibition efficiency; Corrosion products; Cyclic polarization; Inhibitory mechanism; Sodium chloride (NaCl); Weight loss; Weight loss method, Steel corrosion
Departments / MOR / COE:Research Institutes > Institute for Contaminant Management
ID Code:22137
Deposited By: Ahmad Suhairi
Deposited On:28 Feb 2019 05:55
Last Modified:27 Mar 2019 02:18

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