FPN reagent
Ferric chloride, perchloric acid and nitric acid mixture. Red to orange-red colour with phenothiazines (chlorpromazine and relatives). Screen of choice for major tranquillizers.
Ferric chloride, perchloric acid and nitric acid mixture. Red to orange-red colour with phenothiazines (chlorpromazine and relatives). Screen of choice for major tranquillizers.
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