A method to sample and analyze chlorothalonil and dichlofluanid in greenhouse air was evaluated.
Analysis was performed by gas chromatography with electron capture detection and gas chromatography-mass spectrometry.
Solid sorbents such as Chromosorb 102, Porapak R, Supelpak-2, Amberlite XAD-2, Amberlite XAD-4, and polyurethane foam were studied.
The use of Soxhlet extraction and solvent desorption with sonication to desorb the pesticides from these sorbents were compared.
A procedure to generate atmospheres containing known concentrations of these fungicides was established to study sorption capacity and sampling conditions.
Breakthrough and storage of pesticides also were studied.
Dissipation of analytes in a 24 h period after application was studied by using personal samplers in a field experiment.
Mots-clés Pascal : Lutte chimique, Culture protégée, Pollution air, Exposition professionnelle, Prélèvement air ambiant, Serre, Procédé extraction, Méthode analyse, Chromatographie phase gazeuse, Chlorothalonil, Sorbant, Uréthanne polymère, Horticulture, Produit agrochimique, Composé benzénique, Fongicide, Sulfonamide, Pesticide, Dichlofluanid, Phtalique acide dérivé
Mots-clés Pascal anglais : Chemical control, Protected cultivation, Air pollution, Occupational exposure, Ambient air sampling, Greenhouse, Extraction process, Analysis method, Gas chromatography, Chlorothalonil, Sorbent, Polyurethane, Horticulture, Agricultural chemical product, Benzenic compound, Fungicide, Sulfonamide, Pesticides, Phthalic acid derivatives
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 97-0524268
Code Inist : 001D16C06. Création : 13/02/1998.