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  • Title: Determination of clopidol residues in chicken tissues by high-performance liquid chromatography-mass spectrometry.
    Author: Pang GF, Cao YZ, Fan CL, Zhang JJ, Li XM, Wang C.
    Journal: J Chromatogr A; 2000 Jun 16; 882(1-2):85-8. PubMed ID: 10895935.
    Abstract:
    A high-performance liquid chromatographic-mass spectrometric (HPLC-MS) method has been developed for determination of clopidol residues in chicken tissues. Samples are extracted with acetonitrile. The extracts are cleaned up on an alumina column followed by an anion-exchange column. The clopidol is separated on a column (150 cmx4.6 mm) of Intertsil by using acetonitrile-water (20:80) as mobile phase. The clopidol was qualitatively identified by molecule mass and determined quantitatively by selected ion monitoring mode at 190 m/z. The recoveries with RSDs ranged from 91.6+/-10.1 to 97.3+/-5.7 at 0.010 to 10.0 mg/kg by spiking three matrices (chicken muscle, liver, and kidney). The limit of detection was 0.005 mg/kg, and the limit of quantification was 0.010 mg/kg.
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