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Title

Headspace solid-phase microextraction of pesticide residues in Cannabis samples

Authors
Ilias, Yara
Published in Chimia. 2006, vol. 60, no. 12, p. 846-851
Abstract A headspace solid-phase microextraction method combined with gas chromatography–mass spectrometry was evaluated for the extraction and analysis of selected pesticides, namely alachlor, β-hexachlorocyclohexane, bromopropylate, carbaryl, diazinon, linuron, polychlorobiphenyl 209, permethrine and simazine in cannabis samples. Using a 100 μm PDMS fibre, compounds were directly extracted in the headspace mode at 150 °C for 5 min and desorption was performed in the GC injector in the splitless mode at 280 °C for 3 min. Pesticide analysis was achieved and method repeatability, given as the coefficient of variation, ranged between 2.4% for bromopropylate and 12.6% for linuron. T he limits of detection obtained using single ion monitoring (SIM) were between 0.014 and 0.83 mg/kg, depending on the pesticide.
Keywords CannabisHeadspace solid-phase microextractionPesticides
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ILIAS, Yara et al. Headspace solid-phase microextraction of pesticide residues in Cannabis samples. In: Chimia, 2006, vol. 60, n° 12, p. 846-851. https://archive-ouverte.unige.ch/unige:6725

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Deposited on : 2010-05-28

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