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. 1979 Mar;31(3):153-6.
doi: 10.1111/j.2042-7158.1979.tb13458.x.

Effect of paracetamol on amylobarbitone hydroxylation in man: a gas chromatographic method for simultaneous estimation of underivatized paracetamol and barbiturates

Effect of paracetamol on amylobarbitone hydroxylation in man: a gas chromatographic method for simultaneous estimation of underivatized paracetamol and barbiturates

H C Kinsella et al. J Pharm Pharmacol. 1979 Mar.

Abstract

A rapid and specific technique for the simultaneous gas chromatographic estimation of underivatized paracetamol and barbiturates using an alkali flame ionization detector is described which is suitable for both forensic and pharmacokinetic investigations. An improved method for estimation of 3-hydroxyamylobarbitone is also detailed. These techniques were used in an investigation of the effects of oral administration of 1 g paracetamol 8 hourly on the formation of 3-hydroxyamylobarbitone from a single oral dose of 200 mg sodium amylobarbitone. No significant changes were found in the plasma concentrations and total body clearance of amylobarbitone nor was there any alteration in the urinary elimination of 3-hydroxyamylobarbitone.

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