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Simultaneous Determination of Alprazolam and Fluoxetine Hydrochloride in Tablet Formulations by High-Performance Column Liquid Chromatography and High-Performance Thin-Layer Chromatography

Simultaneous Determination of Alprazolam and Fluoxetine Hydrochloride in Tablet Formulations by High-Performance Column Liquid Chromatography and High-Performance Thin-Layer Chromatography

Rashmin B Patel, Mrunali R Patel, Madhira B Shankar, Kashyap K Bhatt

J AOAC Int. Jul-Aug 2009;92(4):1082-8.

PMID: 19714976

Abstract:

This paper describes validated HPLC and HPTLC methods for simultaneous determination of alprazolam (ALP) and fluoxetine hydrochloride (FXT) in pure powder and formulation. The HPLC separation was achieved on a Nucleosil C8 column (150 mm length, 4.6 mm id, 5 microm particle size) using acetonitrile-phosphate buffer pH 5.5 (45 + 55, v/v) as the mobile phase at a flow rate of 1.0 mL/min at ambient temperature. The HPTLC separation was achieved on an aluminum-backed layer of silica gel 60F254 using acetone-toluene-ammonia (6.0 + 3.5 + 0.5, v/v/v) as the mobile phase. Quantification in the HPLC method was achieved with UV detection at 230 nm over the concentration range 4-14 microg/mL for both drugs, with mean recovery of 99.95 +/- 0.38 and 99.85 +/- 0.56% for ALP and FXT, respectively. Quantification in the HPTLC method was achieved with UV detection at 230 nm over the concentration range of 400-1400 ng/spot for both drugs, with mean recovery of 99.32 +/- 0.45 and 99.78 +/- 0.81% for ALP and FXT, respectively. These methods are simple, precise, and sensitive, and they are applicable for the simultaneous determination of ALP and FXT in pure powder and formulations.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP114247095	R-(−)-Fluoxetine hydrochloride		114247-09-5	Price

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