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Enantio selective determination of the organochlorine pesticide bromocyclen in spiked fish tissue using solid-phase microextraction coupled to gas chromatography with ECD and ICP-MS detection

dc.contributor.authorFidalgo Used, Natalia 
dc.contributor.authorMontes Bayón, María 
dc.contributor.authorBlanco González, Elisa 
dc.contributor.authorSanz Medel, Alfredo 
dc.date.accessioned2013-01-30T10:06:55Z
dc.date.available2013-01-30T10:06:55Z
dc.date.issued2008
dc.identifier.citationTalanta, 75(3), p. 710-716 (2008); doi:10.1016/j.talanta.2007.12.006spa
dc.identifier.issn0039-9140
dc.identifier.urihttp://hdl.handle.net/10651/8227
dc.description.abstractA method for enantioselective determination of bromocyclen enantiomers in fish tissue has been developed. The enantiomers were resolved by capillary gas chromatography (GC) using a commercial chiral column (CP-Chirasil-Dex CB) and a temperature program from 50 °C (held for 1 min), raised to 140 °C at 40 °C min−1 and then raised at 0.2 °C min−1 to 155 °C. This enantioselective gas chromatographic separation was combined with a clean-up/enrichment procedure based on solid-phase microextraction (SPME). Under SPME optimized conditions, precision, linearity range and detection limits of the developed SPME–enantioselective GC procedure were evaluated and compared using two different detection systems: a classical electron-capture detection (ECD) and an element specific detection using inductively coupled plasma mass spectrometry (ICP–MS). The SPME–GC–ECD method exhibited an excellent sensitivity, with detection limits of 0.2 ng L−1 for each enantiomer of bromocyclen. Although ICP–MS offered poorer detection limits (7 ng L−1 as Br, equivalent to 36 ng L−1 of each enantiomer) than conventional ECD detector, it proved to be clearly superior in terms of selectivity. The relative potential and performance of the two compared methods for real-life analysis has been illustrated by the determination of enantiomers of bromocyclen in spiked tissue extracts of trout.spa
dc.format.extentp. 710-716spa
dc.language.isoeng
dc.relation.ispartofTalantaspa
dc.rights(c) Talanta
dc.sourceWOKspa
dc.subjectEnantioselective Gas Chromatographic Separation; Chirasil-Dex; Solid-Phase Microextraction; Organochlorine Pesticides; Bromocyclen; Gc–Ecd; Gc–Icp–Ms; Fish Samplesspa
dc.titleEnantio selective determination of the organochlorine pesticide bromocyclen in spiked fish tissue using solid-phase microextraction coupled to gas chromatography with ECD and ICP-MS detectionspa
dc.typeinfo:eu-repo/semantics/article
dc.identifier.local773spa
dc.identifier.doi10.1016/j.talanta.2007.12.006
dc.type.dcmitextspa
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.talanta.2007.12.006spa


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