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Abstract

UV SPECTROPHOTOMETRIC ESTIMATION OF DILTIAZEM HYDROCHLORIDE IN BULK AND TABLET DOSAGE FORM

Rohan D. Kuntawar*, Sugandha V. Mulgund

ABSTRACT

A simple, precise, accurate and economical spectrophotometric method has been developed for estimation of Diltiazem hydrochloride. The standard and sample solutions were prepared by using distilled water as a solvent. Quantitative determination of the drug was performed at 236 nm. The linearity was established over the concentration range of 6-16 μg/ml for Diltiazem hydrochloride with correlation coefficient value of 0.999. Precision studies showed that % relative standard deviation (%RSD) was within range of acceptable limits (<2). The mean percentage recovery was found to be 104.18%. The proposed method has been validated as per ICH Q2 (R1) guidelines. This method can be used for routine quality control analysis of Diltiazem Hydrochloride in bulk and pharmaceutical formulations.

Keywords: Diltiazem hydrochloride, UV spectrophotometry, Validation


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