Liquid Chromatographic Method for Determination of Moxifloxacin and Dexamethasone Sodium Phosphate in Eye Drops
 
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1
Nirmala College of Pharmacy, Mangalagiri, Guntur-522510, Andhra Pradesh, India
2
S.N. Vanita Pharmacy Mahavidyalaya, Exhibition grounds, Hyderabad-500001, Andhra Pradesh, India
CORRESPONDING AUTHOR
Karanam R. Sireesha   

S.N. Vanita Pharmacy Mahavidyalaya, Exhibition grounds, Hyderabad-500001, Andhra Pradesh, India
Publication date: 2017-10-21
 
Eurasian J Anal Chem 2012;7(2):89–95
 
KEYWORDS
ABSTRACT
A liquid chromatographic method was developed and validated for the simultaneous determination of moxifloxacin and dexamethasone sodium phosphate in bulk and pharmaceutical formulations. Optimum separation was achieved in less than 5 min using a C18 column (250 mmx4.6 mm i.d, 5μ particle size) by isocratic elution. The mobile phase consisting of a mixture of 0.01M phosphate buffer (pH 6.0) and acetonitrile (50:50, v/v) was used. Column effluents were monitored at 254 nm at a flow rate of 1 mL min-1. Retention times of moxifloxacin and dexamethasone sodium phosphate were 2.58 and 3.95 min respectively. The linearity of moxifloxacin and dexamethasone sodium phosphate was in the range of 10-60 μg mL-1 and 2-12 μg mL-1 respectively. Developed method was economical in terms of the time taken and amount of solvent consumed for each analysis. The method was validated and successfully applied to the simultaneous determination of moxifloxacin and dexamethasone sodium phosphate in bulk and pharmaceutical formulations.
 
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