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Analytical methodology for screening organophosphorus pesticides in biota samples.
Sci. Total Environ. 123-124, 45-56 (1992)
The use of gel permeation chromatography (GPC) and capillary gas chromatography (GC) with thermionic detection (NPD) is described as a routine methodology for the determination of organophosphorus pesticides in biota samples. Confirmatory analysis is done by capillary GC with mass spectrometry in the negative chemical ionization mode (NCI-MS). As an example, the use of GPC is described as trace-enrichment technique and clean-up to remove coextractive lipids in samples of mosquito fish Gambussia affinis collected during periods of 1987-1989 in the rice crop fields of the Ebro Delta (Spain). Recoveries of dioxathion, fenitrothion, malathion, tetrachlorvinphos, azinphos-ethyl, ronnel and coumaphos varied between 60% and 80% depending on the compound.
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Publication type Article: Journal article
Document type Scientific Article
Keywords gas chromatography; mass spectrometry; organophosphorus analysis; environment; analysis of water
ISSN (print) / ISBN 0048-9697
Quellenangaben Volume: 123-124, Pages: 45-56
Reviewing status Peer reviewed
Institute(s) Institute of Ecological Chemistry (IOEC)