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Type: Artigo de periódico
Title: Development of solid-phase extraction for triazines: Application to a biological sample
Author: Pozzebon, JM
Queiroz, SCN
Jardim, ICSF
Abstract: A sensitive extraction method for the concentration of the triazines simazine, atrazine, and ametryn was developed and applied to a biological sample (urine). After protein precipitation with acetonitrile, a further purification using solid-phase extraction (SPE) was carried out. The samples were then analysed by high performance liquid chromatography (HPLC) using a C-18 column and an acetonitrile-water (40: 60, v/v) mobile phase. The pH of the mobile phase was adjusted to 9.0 with NH4OH, the flow-rate was 0.5 mL/min and UV detection was at 220 nm. Recovery values were satisfactory and the method developed can be used for monitoring urine samples of workers exposed to simazine, atrazine, and ametryn, in forensic, veterinary, and environmental toxicologies.
Subject: triazine
solid-phase extraction
high performance liquid chromatography
Country: EUA
Editor: Marcel Dekker Inc
Rights: fechado
Identifier DOI: 10.1081/JLC-120018422
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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