Author(s): Deepika Maliwal, Anurekha Jain, RK Maheshwari, Vidyasagar Patidar

Email(s): diyampharm@rediff.com

DOI: Not Available

Address: Deepika Maliwal*1, Anurekha Jain1, RK Maheshwari2, Vidyasagar Patidar1
1Department of Medicinal and Pharmaceutical Chemistry, B.R.Nahata College of Pharmacy, Mandsaur (MP) 2Department of Pharmaceutics, G.I.T.S., Indore (MP)
*Corresponding Author

Published In:   Volume - 1,      Issue - 4,     Year - 2008


ABSTRACT:
Quantitative estimation of poorly water-soluble drugs involves use of organic solvents. Major drawbacks of organic solvents include high cost, volatiliy and toxicity. In the present investigation, hydrotropic solubilization is employed to enhance the aqueous solubilities of poorly water-soluble drugs metronidazole and norfloxacin in two-component tablet formulation for simultaneous spectrophotometric determination. Three simple, accurate and economical procedures employed are simultaneous equation method, absorbance ratio method, and dual wavelength method. All methods utilize 8.0M-urea solution as, hydrotropic solubilizing agent. In the urea solution, metronidazole and norfloxacin show maximum absorbance at a wavelength of about 320 and 275 nm respectively and isobestic point is observed at 294nm. The hydrotropic agent and additives used in the manufacture of tablets did not interfere in the analysis. The results of analysis have been validated statistically and by recovery studies.


Cite this article:
Deepika Maliwal, Anurekha Jain, RK Maheshwari, Vidyasagar Patidar. Simultaneous Spectrophotometric Estimation of Metronidazole and Norfloxacin in Combined Tablet Formulations using hydrotropy. Research J. Pharm. and Tech. 1(4): Oct.-Dec. 2008;Page 357-361.


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 


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