PMID: 15218737Jun 29, 2004Paper

Oxidative determination of rutin in tablets using flow injection analysis and chemiluminescence

Ceská a Slovenská farmacie : casopis Ceské farmaceutické spolecnosti a Slovenské farmaceutické spolecnosti
J DolejsováL Tůmová

Abstract

A simple, rapid and fully automated flow injection method (FIA) with chemiluminescence detection after oxidation with KMnO4 in acid medium at room temperature has been developed for the determination of routine in pharmaceutical formulation. Hexamethaphosphate sodium was utilized as enhancer of chemiluminescence. The calibration curve was linear in the range 0.01-0.26 mmol.l-1 with detection limit 0.005 mmol.l-1, RSD 0.46% (n = 10) and a sample throughput of 75.h-1 using a 200 microliters sample volume. The method was used for the determination of routine in mass-produced dosage form: Rutin 250 tablets á 50 mg, (firm Nature's Bounty, USA). The FIA method was statistically compared with the official German Pharmacopoeia method and showed comparable accuracy, but with the advantages of simplicity, speed and amounts of reagents consumed.

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