Summary
A capillary GC/MS method is presented for the analysis of iprodione (CAS registry number 36734-19-7) in chicory and in leek. Preliminary extraction was carried out using methanol, and the extracts were cleaned up using two liquid-liquid extractions and Bakerbond SPE Florisil® cartridges. The eluates were evaporated to dryness under reduced pressure, and the residues dissolved in hexane. Iprodione was then monitored by capillary Gas Chromatography, with Mass Spectrometric Detection, in the selective ion mode at m/z 314. Recoveries of 89% to 108% were obtained for chicory and leek fortified at 100 and 500 μg kg−1. The proposed method of analysis has a detection limit of 2 μg kg−1 for chicory and 4 μg kg−1 for leek.
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Rouberty, F., Fournier, J. Capillary gas chromatographic — Mass spectrometric determination of iprodione in chicory and leek. Chromatographia 41, 693–696 (1995). https://doi.org/10.1007/BF02267806
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DOI: https://doi.org/10.1007/BF02267806