Analysis of Barbiturate Salts in Various
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Vincent, Muriel C. ;Blake, Martin I.
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Article
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1959
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Elsevier
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Barbiturate salts in various dosage forms are determined by liberating the barbituric acid from the salt by passage through a cation exchange resin. Dimethylformamide is used as the solvent. The barbituric acid is titrated visually with 0.1 N sodium methoxide in benzene-methanol. The method is rapid