Abstract
A high-performance liquid chromatographic method is described for determination of sub-anaesthetic concentrations of the enantiomers of ketamine and its metabolite norketamine in plasma. The samples are purified by reversed-phase solid-phase extraction. The enantiomers are separated on a Chiral AGP column with a mobile phase containing 16% methanol and a 10 m M phosphate buffer at pH 7.0, and measured by UV-detection at a wavelength of 220 nm. Linear calibration curves with correlation coefficients better than 0.995 have been obtained in the range 10–320 ng/ml. Minimum detectable concentrations were about 2 ng/ml.
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Schedule a callMore From: Journal of Chromatography B: Biomedical Sciences and Applications
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