Please use this identifier to cite or link to this item:
Type: Artigo de periódico
Title: Modificação de um micro-extrator de vidro para pré-enriquecimento de traços de pesticidas organoclorados de água para análise por cromatografia gasosa
Title Alternative: Modification of a glass micro-extractor aiming to enrichmentt of traces of water contaminating organochlorinated pesticides and their quantitative gas chromatographic analysis
Author: Rocha, Eduardo Carasek da
Pini, Glaucia Falleiros
Augusto, Fabio
Valente, Antonio Luiz Pires
Abstract: Two models of a glass micro-extractor were constructed after modification of a model proposed in the literature. The two models were used for the simultaneous extraction and enrichment of organochlorinated pesticides from aqueous matrixes to an organic solution appropriate for the gas chromatographic analysis of the pesticide. It was established that the performance of one of the modified micro-extractors permits the pre-concentration of the pesticides to a level that allow their quantitation at the trace level with electron capture detection. It is thus concluded that the glass micro-extractor is a suitable tool for the sample preparation step in the gas chromatographic analysis of environmental pollutants of the class of pesticides.
Subject: pre-concentration of aqueous samples
organochlorinated pesticide
GC analysis
Editor: Sociedade Brasileira de Química
Citation: Química Nova. Sociedade Brasileira de Química, v. 21, n. 1, p. 109-113, 1998.
Rights: aberto
Identifier DOI: 10.1590/S0100-40421998000100017
Date Issue: 1-Feb-1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

Files in This Item:
There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.