Dissipation and Residues of Emamectin Benzoate in Cabbage

Emamectin benzoate residue dynamics and final residues in supervised field trials at GAP conditions were studied. An HPLC–MS analytical method for the determination of emamectin benzoate in cabbage and soil was developed. The recoveries of emamectin benzoate on cabbage and soil were observed from 71...

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Veröffentlicht in:	Bulletin of environmental contamination and toxicology 2012-09, Vol.89 (3), p.654-657
Hauptverfasser:	Liu, Shuaigang, Zhang, Fengzu, Wang, Lei, Pan, Canping
Format:	Artikel
Sprache:	eng
Schlagworte:	Aquatic Pollution Brassica Brassica - chemistry Chromatography, High Pressure Liquid Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Half-Life Ivermectin - analogs & derivatives Ivermectin - chemistry Lettuce Limit of Detection Liquid chromatography Mass Spectrometry Pesticides Pollution Reproducibility of Results Residues Soil contamination Soil Science & Conservation Toxicity Waste Water Technology Water Management Water Pollution Control
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Beschreibung
Zusammenfassung:	Emamectin benzoate residue dynamics and final residues in supervised field trials at GAP conditions were studied. An HPLC–MS analytical method for the determination of emamectin benzoate in cabbage and soil was developed. The recoveries of emamectin benzoate on cabbage and soil were observed from 71 % to 102 % at fortification levels of 0.01, 0.1 and 1.0 mg/kg. The reported limit of quantification (LOQ) was found to be 0.01 mg/kg. The dissipation experiments showed the half-lives (T 1/2 ) of emamectin benzoate was around 1 days. At pre-harvest intervals (PHI) of 7 and 12 days, emamectin benzoate residue was observed to be below the LOQ.
ISSN:	0007-4861 1432-0800
DOI:	10.1007/s00128-012-0729-1