Polarographic Determination of Menadione Sodium Bisulfite in Pharmaceutical Preparations

Mayo, Ana María; Nudelman, Osmar

doi:10.1093/jaoac/56.6.1460

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Polarographic Determination of Menadione Sodium Bisulfite in Pharmaceutical Preparations

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Abstract

Menadione sodium bisulfite is reduced at pH 4 and determined by polarography, using a dropping mercury electrode. The method is simple and rapid and does not require special sample treatment. Average recoveries (%) and standard deviations for menadione sodium bisulfite added to synthetic mixtures at levels of 0.50, 1.00, and 5.0 mg were 99.88 ±2.12, 101.99±2.08, and 100.27±2.53, respectively.

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Polarographic Determination of Menadione Sodium Bisulfite in Pharmaceutical Preparations

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