Abstract
A method for the determination of benzodiazepines and their main metabolites in urine after acid hydrolysis is described. The extract is analyzed by computerized gas chromatography—mass spectrometry. An on-line computer allows rapid detection using mass fragmentography with the masses m/e 211, 230, 241, 244, 249, 262, 276, and 285. The mass fragmentogram and the underlying mass spectra of the hydrolysis products (benzophenones and analogues) are documented.
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Schedule a callMore From: Journal of Chromatography B: Biomedical Sciences and Applications
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