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Se Pu. 2012 Sep;30(9):883-8.

[Simultaneous extraction and determination of nine chemically synthetic anticoccidial drug multi-residues in chicken meat using high performance liquid chromatography-tandem mass spectrometry].

[Article in Chinese]

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Poultry Institute, Chinese Academy of Agricultural Sciences/Supervision, Inspection and Testing Center of Poultry Quality, Ministry of Agriculture Yangzhou, Yangzhou 225125, China.


A high performance liquid chromatography-tandem mass spectrometric (HPLC-MS/ MS) method was developed for the simultaneous extraction and determination of multi-residues of nine chemically synthetic anticoccidial drugs in chicken meat. Toltrazuril-D3 was used as the internal standard. The sample was extracted by 15 mL acetonitrile/dimethyl sulfoxide (4:1, v/ v, containing 2% acetic acid), cleaned-up by a QuEChERS (quick, easy, cheap, effective, rugged and safe) clean-up tube with 150 mg octadecylsilyl (ODS), 100 mg Florisil and 100 mg graphitized carbon black (GCB). After the concentration, the extract was analyzed by HPLC-MS/MS. The results showed that good linearity in the range of 20 - 150 microg/L for each target compound. The recoveries were between 81.5% and 103. 6% with the relative standard deviations lower than 15%. The method is simple, rapid, and suitable to detect the chemically synthetic anticoccidial drug residues with high throughput.

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