Kinetic study of the degradation of the insecticide pymetrozine in a vegetable-field ecosystem.


The disappearance kinetics of pymetrozine was studied in a broccoli-field ecosystem, and an efficient method for the determination of pymetrozine in broccoli and soil was also developed. Pymetrozine residues were extracted from samples using acetonitrile. The extracts were cleaned up by liquid-liquid partitioning with dichloromethane, followed by… (More)
DOI: 10.1016/j.jhazmat.2008.08.020


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