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  • Title: [Determination of flumioxazin residue in foods using gas chromatography-mass spectrometry].
    Author: Lin L, Ye G, Xie L, Lan F, Wu W, Jin B.
    Journal: Se Pu; 2008 May; 26(3):318-21. PubMed ID: 18724667.
    Abstract:
    A method for the determination of flumioxazin residue in foods by gas chromatography-mass spectrometry (GC-MS) has been developed. The food sample was extracted with acetonitrile or ethyl acetate, concentrated in a rotary evaporator, then dissolved in acetonitrile-methyl benzene (3 : 1, v/v) and purified with an NH2-solid phase extraction (SPE) column. The final extract was analyzed by gas chromatography-mass spectrometry with selected ion monitoring mode (GC-MS-SIM). External standard method was used for the quantification. The mean recoveries of flumioxazin spiked in foods were 79.4% - 101%, and the relative standard deviations were 0.242% -7.15% (n = 10). The detection limit for each was 0.01 mg/kg. This method has high sensitivity, veracity and is suitable for the determination of pesticide residues in foods.
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