The oxidation of aminophenazone by hydrogen peroxide |
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Authors: | Hana Tománková Jaroslav Zýka |
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Affiliation: | The State Institute for Drug Control and The Department of Analytical Chemistry, Charles University, Prague, Czechoslovakia |
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Abstract: | Aqueous solutions of aminophenazone were oxidized by excess hydrogen peroxide in acidic, neutral and alkaline media and the reaction was followed using thin-layer chromatography and spectrophotometry in the visible and uv regions. The oxidation course is explained on the basis of detection of the products formed (4-methylaminoantipyrine, 4-aminoantipyrine, 1-phenyl-3-methyl-4-(phenylazo)-5-pyrazolone, 1-acetyl-1-methyl-2-di-methyl-oxanil-2-phenylhydrazine, oxalic acid, dimethylamine). |
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