ORTHO-CHLOROPHENYL-2-IMIDAZOLINE AS CORROSION INHIBITOR FOR MILD STEEL IN ACIDIC MEDIA

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Title:	ORTHO-CHLOROPHENYL-2-IMIDAZOLINE AS CORROSION INHIBITOR FOR MILD STEEL IN ACIDIC MEDIA
Authors:	Nalini D Rajalakshmi R Subhashini S
Keywords:	Mild steel o-Chlorophenyl-2-imidazoline Hydrochloric acid Sulphuric acid Inhibitor Corrosion
Issue Date:	1-Jan-2011
Publisher:	Asian Publication Corporation, Asian Journal of Chemistry
Abstract:	Present study involved the synthesis of o-chlorophenyl-2-imidazoline (OCP2I) and its inhibition behaviour on mild steel corrosion in sulphuric acid and hydrochloric acid media, using weight loss method and electrochemical methods. The results of weight loss method revealed that the inhibitor shows a maximum efficiency of 84.55% in H2SO4 at 200 ppm and 91.42% in HCl medium at 120 ppm of concentration. Thermodynamic parameters indicated physisorption mode of adsorption of o-chlorophenyl-2-imidazoline follows Langmuir and Temkin adsorption isotherms. Potentiodynamic polarization and impedance studies were conducted to investigate the mechanism of the inhibition and the present system follows mixed mode of inhibition.
URI:	http://www.asianjournalofchemistry.co.in/User/ViewFreeArticle.aspx?ArticleID=23_1_79 http://localhost:8080/xmlui/handle/123456789/1985
ISSN:	0970-7077
Appears in Collections:	International Journals

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