ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Venugopal Darak, Arvind B. Karadi, Md. Arshad, S. Appal Raju

Email(s): venu.darak@gmail.com

DOI: Not Available

Address: Venugopal Darak*, Arvind B. Karadi, Md. Arshad and S. Appal Raju
Department of Pharmaceutical Analysis, HKES’s College of pharmacy, Sedam road, Gulbarga, Karnataka-585105, India.
*Corresponding Author

Published In:   Volume - 4,      Issue - 6,     Year - 2011


ABSTRACT:
Two simple, sensitive spectrophotometric methods (Method A and B) are developed based on the diazotization of Mesalamine with nitrous acid (NaNo2/ HCl) at cold temperature followed by its coupling in-situ with Chromotropic acid (Method A) to yield cherry red coloured chromogen, phloroglucinol (Method B) to yield yellow coloured chromogen, exhibiting absorption maxima at 433nm and 421nm , respectively. Beer’s law was obeyed in the concentration ranges of 5-25 and 8-40µg/ml respectively. The coloured chromogen was stable for 4hrs. These methods were extended to pharmaceutical formulations and there was no interference from any common excepients which are usually present in tablet dosage formulations. The results of analysis have been validated statistically and by recovery studies.


Cite this article:
Venugopal Darak, Arvind B. Karadi, Md. Arshad, S. Appal Raju. Spectrophotometric Determination of Mesalamine by Diazotization Coupling Reaction in Solid Dosage Forms. Asian J. Research Chem. 4(6): June, 2011; Page 968-970.


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