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Analytical method validation to evaluate dithiocarbamates degradation in biobeds in South of Brazil. Repositório Alice
VARELI, C. S.; PIZZUTTI, I. R.; GEBLER, L.; CARDOSO, C. D.; GAI, D. S. H.; FONTANA, M. E. Z..
In order to evaluate the efficiency of biobeds on DTC degradation, the aim of this study was to apply, optimize and validate a method to determine dithiocarbamate (mancozeb) in biobeds using gas chromatography-tandem mass spectrometry (GC-MS). The DTC pesticide mancozeb was hydrolysed in a tin (II) chloride solution at 1.5% in HCl (4 mol L−1 ), during 1 h in a water bath at 80 °C, and the CS2 formed was extracted in isooctane. After cooling, 1 mL of the organic layer was transferred to an auto sampler vial and analyzed by GC-MS. A complete validation study was performed and the following parameters were assessed: linearity of the analytical curve (r2 ), estimated method and instrument limits of detection and limits of quantification (LODm, LODi,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biobed; Biomixture; Dithiocarbamates; GC-MS; Biodegradation; Degradation.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1102339
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