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  • Title: Dissipation and residue determination of fluoroglycofen-ethyl in soybean and soil by UPLC-MS-MS.
    Author: Geng Y, Jia R, Li C, Ma X, Lin Y.
    Journal: Bull Environ Contam Toxicol; 2012 Sep; 89(3):669-73. PubMed ID: 22752219.
    Abstract:
    A rapid, highly selective, and sensitive method was developed for detecting fluoroglycofen-ethyl in soybean seed, plant, and soil using UPLC-MS-MS. The detection limits of fluoroglycofen-ethyl in soybean seed, plant, and soil were 0.5, 1, and 1 μg kg(-1), respectively. Recoveries ranged from 83.4% to 99.2%, in which intra-day RSDs were from 1.3% to 6.7% and inter-day RSDs were from 1.9% to 7.0%. In the dissipation study, the half-lives of fluoroglycofen-ethyl were 34.8 (Shanxi) and 48.5 h (Heilongjiang) in soil and 43.3 h in soybean plant in both locations. The residues of fluoroglycofen-ethyl in all samples were below LODs 30 days before and during harvest.
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