4-Aminoantipyrine dye for the analytic determination of hydrogen peroxide
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United States of America Patent
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Mar 23, 1982
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N/A
app pub date -
Feb 20, 1980
filing date -
Jan 31, 1979
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Abstract
A 3-aminobenzoic acid or a 3-aminobenzenesulfonic acid, when reacted with a 4-aminoantipyrine in aqueous medium in the presence of hydrogen peroxide forms a novel colored dye which is believed to be a charge-transfer complex of free radicals formed from the 3-aminoaromatic acid and the 4-aminoantipyrine. The dye and the process by which it is produced are useful in analytical procedures for hydrogen peroxide, as well as in enzymatic analyses involving the formation of hydrogen peroxide.
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