Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/102597
Type: Artigo de evento
Title: Determination Of Herbicides And A Metabolite In Human Urine By Liquid Chromatography-electrospray Ionization Mass Spectrometry
Author: Pozzebon J.M.
Vilegas W.
Jardim I.C.S.F.
Abstract: A method was developed to determine simazine, atrazine and their metabolite, 2-chloro-4,6-diamino-1,3,5-triazine, in urine. The presence of these herbicides in urine may reflect possible exposure to pesticides. Sample preparation involved protein precipitation and solid-phase extraction. The samples were analyzed by high-performance liquid chromatography-mass spectrometry. The detection limits were 0.4 μg/l and the analytes have a linear response in the interval 6-800 μg/l. The precision of the method was reflected in the RSD of <2.4% for the herbicides studied. Based on the detectable herbicide levels from spiked urine samples collected from unexposed volunteers, this method can be used to determine the low levels necessary for establishing reference values of the selected herbicides and the metabolite. © 2002 Elsevier Science B.V. All rights reserved.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/S0021-9673(02)01950-7
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0347925058&partnerID=40&md5=b266d8c1b8df47e58f80e921c70cefc5
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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