In this work we analysed samples of different commercial composts to verify the presence of metabolites of dicarboximidic fungicides (Iprodione, Procymidone, Vinclozolin and Chlozolinate) widely used in agriculture as botritycides. The commercial compost extracts, obtained by sonication with acetonitrile, were analysed by HPLC-DAD-MS. The detection limits (DL) of the analytical method were appraised for all considered compounds and for both the detectors. The analysis confirmed the presence of fungicide residues (i.e. Iprodione, 48 µg/kg) in three samples of commercial compost and traces of some corresponding metabolites (i.e. Metabolite I of Procymidone, 20 µg/kg) for most examined matrices. These results underline a possible presence of these fungicides and corresponding metabolites in soil, after the addition of compost. dicarboximidic fungicides / metabolites / commercial compost / HPLC-DAD-MS Résumé-Fungicides dicarboximidiques dans le compost commercial. Ce travail comporte l'analyse des métabolites de fongicides dicarboximidiques utilisés comme botritycides (Iprodione, Procymidone, Vinclozolin, Chlozolinate) dans différents échantillons de compost commerciaux. Les extraits des composts ont été analysés par HPLC-DAD-MS (chromatographie en phase liquide-détecteur à série de diodes-spectromètre de masse). Les analyses ont confirmé la présence de résidus de fongicides dans trois composts commerciaux (ex. 48 µg/kg d'iprodione) et des traces de certains métabolites dans la plupart des échantillons (ex : 20 µg/kg du métabolite I du Procymidone). Ces résultats suggèrent que l'application de compost favorise la présence des fongicides et/or des métabolites spécifiques dans le sol traité. fongicides dicarboximidiques / métabolites / compost commerciaux / HPLC-DAD-MS
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