Dillie-Koppanyi test

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A presumptive test for barbituates. The Dillie-Koppanyi test reagent has two solutions: a 1% solution of colbalt acetate in methanol, follow by a 5% solution of isopropylamine (CH3CH(CH3)NH2) in methanol. Barbiturates give a reddish-violet colour.

Subjects: Chemistry.

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