Journal
ANALYTICA CHIMICA ACTA
Volume 586, Issue 1-2, Pages 394-398Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2006.09.064
Keywords
nitroimidazole; liquid chromatography-tandem mass spectrometry; liver
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A sensitive and reliable multiresidue method is described for analysis of ronidazole, metronidazole, dimetridazole and the common metabolite of ronidazole and dimetridazole, 2-hydroxymethyl-l-methyl-5-nitroimidazole in swine liver. The sample preparation procedure was based on liquid-liquid extraction and mixed mode cation exchange/reverse phase solid-phase extraction. The compounds of interest were determined by reverse phase gradient liquid chromatography separation and tandem mass spectrometry (MS/MS) in the multiple reaction monitoring (MRM) mode. The limits of confirmation were 0. 1-0.5 mu g kg(-1) for the analytes. (c) 2006 Elsevier B.V. All rights reserved.
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