EVALUATION OF CORROSION RESISTANCE OF 5-PYRAZOLONES ON MILD STEEL IN ACID MEDIA

Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/1987

Title:	EVALUATION OF CORROSION RESISTANCE OF 5-PYRAZOLONES ON MILD STEEL IN ACID MEDIA
Authors:	Nalini D Begum A S Manimekalai P Kousalya S
Keywords:	Corrosion inhibitor 5-Pyrazolones Mild steel
Issue Date:	2011
Publisher:	Asian Publication Corporation, Asian Journal of Chemistry
Abstract:	The effects of 5-pyrazolone derivatives have been investigated as corrosion inhibitor for mild steel in 1M HCl and 1M H2SO4 using electrochemical and non-electrochemical techniques. The efficiency of inhibitor increases with increase in inhibitor concentration and decreases with rise in temperature. The adsorption of these inhibitors on mild steel surface has been found to obey Langmuir isotherm. Potentiodynamic polarization results show that the inhibitors behave as a mixed type. Some thermodynamic parameters such as enthalpy (δHº), entropy (δSº) and free energy (δGº) have been calculated.
URI:	http://www.asianjournalofchemistry.co.in/User/ViewFreeArticle.aspx?ArticleID=23_10_25 http://localhost:8080/xmlui/handle/123456789/1987
ISSN:	0970-7077
Appears in Collections:	International Journals

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