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Abstract

Simultaneous RPHPLC Determination of Nitazoxanide and Ofloxacin in Combined Tablet Dosage Form

Author(s): RR Kalta, R Sharma, SC Chaturvedi
School of Pharmacy, Devi Ahilya Vishwa Vidyalaya, Takshashila Campus, Khandwa Road (Ring Road), Indore-452 017, India

Correspondence Address:
R Sharma School of Pharmacy, Devi Ahilya Vishwa Vidyalaya, Takshashila Campus, Khandwa Road (Ring Road), Indore-452 017 India E-mail: [email protected]


A simple, precise, accurate, rapid and reproducible reverse phase high performance liquid chromatographic procedure was developed for simultaneous determination of nitazoxanide and ofloxacin in tablet dosage form at a single wavelength. The mobile phase used was a combination of acetonitrile:0.25M potassium dihydrogen phosphate buffer (80:20) with 0.5%v/v of triethylamine and the pH was adjusted to 2.5 by adding orthophosphoric acid. The detection of the combined dosage form was carried out at 320 nm and flow rate was set to 1ml/min. Linearity was obtained in the concentration range of 5 to 25 mg/ml of nitazoxanide and ofloxacin with correlation coefficients of 0.9987 and 0.9995, respectively. The results of the analysis were validated statistically and recovery studies confirmed the accuracy of the proposed method.



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