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- W1177942527 abstract "Objective To develop a gas chromatography-mass spectrometric method(GC/MS) for simultaneous determination of environmental estrogens including 4-nonylphenol,bishphenol A,diethylstilbestrol and 17α-ethinylestradiol and endogenic estrogens including 17α-estradiol,17β-estradiol,estriol and estrone in mutton. Methods Mutton samples were extracted using a mixture of acetonitrile-ethyl acetate(3∶2,V/V) and cleaned up by florisil cartridge. Derived with pentafluoropropionic anhydride(PFPA) ,the derivatives were determined by GC-MS. Results The linear range of determination was 0.2-5.0 μg/kg. The intraday relative standard deviations of the peak area were 1.25%—5.85% and the detection limits ranged from 0.024 to 1.40 μg/kg,and the rates of recovery ranged from 71.5%—111.0% except for 17α-ethinylestradiol( 55.4%) . Conclusion This method is simple,rapid,accurate and applicable to the determination of trace environmental estrogens in mutton" @default.
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- W1177942527 date "2009-01-01" @default.
- W1177942527 modified "2023-09-28" @default.
- W1177942527 title "Determination of Environmental Estrogens in Mutton by Gas Chromatography-Mass Spectrometry" @default.
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