An Analytical Study for Development and Validation of Method for Estimation of Total Benzalkonium Chloride Content as a Preservative in Azelastine Hydrochloride Pharmaceutical Ophthalmic Formulation by Reverse Phase Liquid Chromatography Approach
Abstract:A novel, sensitive, specific, accurate and reproducible reverse phase high performance liquid chromatographic analytical method (RP-HPLC) was developed and validated for estimation of total benzalkonium chloride (BKC) content as a preservative in azelastine hydrochloride pharmaceutical ophthalmic formulation. The reversed phase HPLC method was used with C18, cosmosil (250 mm × 4.6mm i.d. × 5μm) column. The mobile phase was used as a combination of acetonitrile and buffer (adjusted to pH 5.0 with 5N NaOH) in th… Show more
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