Development of a SPME-GC-ECD methodology for selected pesticides in must and wine samples

• Tipo: Artigo em Revista Científica Internacional
• Data: 2001

Autores

Correia, M (Autor) Outra; Delerue Matos, C (Autor) Outra; Alves, A (Autor) FEUP

Revista

Título: Fresenius' Journal of Analytical Chemistry

Vol. 369

Páginas: 647-651

ISSN: 0937-0633

Editora: Springer

Indexação

ISI Web of Knowledge - 30 Citações

Scopus - 32 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Química

Outras Informações

ID Authenticus: P-000-VXT

DOI: 10.1007/s002160100762

Abstract (EN): A method for the determination of some pesticide residues in must and wine samples was developed using solid-phase microextraction (SPME) and gas chromatography - electron capture detection (GC/ECD). The procedure only needs dilution as sample pre-treatment and is therefore simple, fast and solvent-free. Eight fungicides (vinclozolin, procymidone, iprodione, penconazole, fenarimol, folpet, nuarimol and hexaconazole), one insecticide (chlorpyriphos) and two acaricides (bromopropylate and tetradifon) can be quantified. Good linearity was observed for all the compounds in the range 5-100 mug/L. The reproducibility of the measurements was found acceptable (with RSD's below 20%). Detection limits of 11 mug/L, on average, are sufficiently below the proposed maximum residue limits (MRL's) for these compounds in wine. The analytical method was applied to the determination of these compounds in Portuguese must and wine samples from the Demarcated Region of Alentejo, where any residues could be detected.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 5