Capillary GLC assay for carbinoxamine and hydrocodone in human serum using nitrogen-sensitive detection.


Capillary gas chromatography using an open tubular fused silica column and NP-FID was applied to the simultaneous analysis of the antihistamine, carbinoxamine, and the antitussive, hydrocodone, in human serum. Carbinoxamine and hydrocodone were extracted into methylene chloride-2-propanol (9:1) under alkaline conditions along with their respective internal… (More)


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