Conversion of picrate to picric acid in a liquid-liquid two phase system
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United States of America Patent
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Dec 7, 1999
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N/A
app pub date -
Sep 9, 1998
filing date -
Sep 9, 1997
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Abstract
A process for the conversion of a picrate salt, preferably ammonium pricrate, to picric acid by acidifying the picrate salt in a two phase liquid system. One phase is an aqueous phase which contains an acid which is effective for acidifying ammonium picrate to picric acid and the other phase is an organic solvent phase in which the picric acid is soluble.
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