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  • Title: [Rapid detection of 8 veterinary drug residues in chicken by QuEChERS-ultra performance liquid chromatography tandem mass spectrometry].
    Author: Zhang N, Fan S, Xue Y, Liu P, Liu W, Wu G, Zhao R.
    Journal: Wei Sheng Yan Jiu; 2017 Jan; 46(1):89-93. PubMed ID: 29903158.
    Abstract:
    OBJECTIVE: To develop a method for determination of 8 veterinary drug residues in chicken matrix by Qu ECh ERS-ultra performance liquid chromatography tandem mass spectrometry. METHODS: Chicken samples were extracted with acid acetonitrile, salting out, and then the organic phase were cleaned up by C18 and PSA. A Waters ACQUITYTM BEH C18column( 100 mm × 2. 1 mm × 1. 7 μm) was used for LC separation, ESI positive ion scan was used with multiple reaction monitoring( MRM)mode and quantified by matrix-matched external standard method. RESULTS: At the spiked level of 1, 2 and 4 μg / kg, the recoveries of each compound were in the range of 81. 2%- 94. 1% with the relative standard deviations of 4. 2%- 14. 3%. The qualitative limits of detections were 0. 1- 0. 2 μg / kg and the quantitative limits were 0. 2- 0. 5 μg / kg for the 8 targets compounds. The established method was applied to the detection of the 8targets compounds in 30 chicken samples, and none of the 8 veterinary drugs exceeded the residue limits. CONCLUSION: The method is simple, rapid, high sensitivity and good stability, with a wide variety and a certain development. It can be used for the daily monitoring of the veterinary drug residues in chicken.
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