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Abstract

Simultaneous spectrophotometric determination of lansoprazole and domperidone in capsule dosage form

Author(s): AP Sherje1, AV Kasture2, KN Gujar1, PG Yeole2
1Department of Pharmaceutical Chemistry, Sinhgad Institute of Pharmacy, India 2Institute of Pharmaceutical Education and Research, India

Correspondence Address:
A P Sherje, Department of Pharmaceutical Chemistry, Sinhgad Institute of Pharmacy, India, E-mail: [email protected]


Two simple, accurate and precise spectrophotometric methods have been developed for simultaneous determination of lansoprazole and domperidone in pharmaceutical dosage form. Method A involves formation of Q-absorbance equation at 256.0 nm (isoabsorptive point) and at 294.2 nm while method B is two wavelength method where 277.6 nm, 302.1 nm were selected as 'λ1 and 'λ2 for determination of lansoprazole and 231.3 nm, 292.0 nm were selected as 'λ1 and 'λ2 for determination of domperidone. Both the methods were validated statistically and recovery studies were carried out. The Beer's law limits for each drug individually and in mixture was within the concentration range of 5-50 µg/ml. Linearity of lansoprazole and domperidone were in the range of 24-36 µg/ml and 8-12 µg/ml, respectively. The proposed methods have been applied successfully to the analysis of the cited drugs either in pure form or in pharmaceutical formulations with good accuracy and precision. The method herein described can be employed for quality control and routine analysis of drugs in pharmaceutical formulations.



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