Spectrophotometric Simultaneous Determination of Rabeprazole Sodium and Domperidone in Combined Tablet Dosage Form
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Department of Pharmaceutical Analysis, AISSMS College of Pharmacy, Kennedy Road, Near RTO, Pune, India
MGV’s Pharmacy College, Mumbai Agra Road, Nasik, India
Santosh V. Gandhi   

AISSMS College of Pharmacy, Kennedy Road, Near R.T.O., Pune-411 001, Maharashtra, India
Online publication date: 2008-03-01
Publication date: 2008-03-01
Eurasian J Anal Chem 2008;3(2):236–244
A simple, economical, precise and accurate method for simultaneous determination of Rabeprazole Sodium (RAB) and Domperidone (DOM) in combined tablet dosage form has been developed. The method is based on Ratio Spectra Derivative Spectrophotometry. The amplitudes in the first derivative of the corresponding ratio spectra at 230 nm and 250 nm were selected to determine Rabeprazole Sodium and Domperidone respectively. Beer’s law is obeyed in the concentration range of 10-30 μg mL-1 for RAB and 5-15 μg mL-1 for DOM. The % assay for commercial formulation was found to be 99.82 ± 0.552 for RAB and 99.63 ± 0.791 for DOM. The method was validated with respect to linearity, precision and accuracy.
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