Journal
MOSCOW UNIVERSITY CHEMISTRY BULLETIN
Volume 63, Issue 5, Pages 284-287Publisher
PLEIADES PUBLISHING INC
DOI: 10.3103/S0027131408050106
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p-Dimethylaminocinnamaldehyde has been proposed as a reagent for the spectrophotometric determination of sulfanilamides. This reagent was shown to undergo in acetonitrile a condensation reaction with sulfanilamide, Sulfamethoxypyridazine, Sulfachloropyridazine, Sulfamethoxazole, and Sulfamethazine to form colored products. Optimal reaction conditions were found. A procedure for the spectrophotometric determination of sulfanilamide compounds with detection limit n x 10(-2) mu g/mL was developed. Determination of Sulfamethoxazole and Sulfamethazine in pharmaceuticals was carried out.
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