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Title: Fatty acid triazoles derived from Neem, Rice bran and Karanja oils as corrosion inhibitors for mild steel
Authors: Toliwal, S D
Jadav, Kalpesh
Keywords: Neem oil
Rice bran oil
Karanja oil
Corrosion inhibition
5-Alkyl-4 phenyl-4H-[1,2,4]triazole-3-thiol
Mild steel
Issue Date: Jan-2009
Publisher: CSIR
Abstract: 5-Alkyl-4 phenyl-4H-[1,2,4]triazole-3-thiol of phenyl hydrazides of fatty acids from Neem, Rice bran and Karanja oils have been synthesized and evaluated as corrosion inhibitors of mild steel (MS) in hydrochloric acid solutions by weight loss method. The adsorption of all the phenyl hydrazides derivatives on mild steel surface in the acid solution has been found to obey Langmuir’s adsorption isotherm. Inhibition efficiency of these compounds has been found to vary with concentration of the compound, solution temperature, immersion time and concentration of acid solution. The activation energies (Ea) have been calculated to investigate the mechanism of the corrosion inhibition. The inhibition efficiency increases with the increase in concentration of the inhibitors.
Page(s): 32-37
ISSN: 0971–457X
Source:IJCT Vol.16(1) [January 2009]

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