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Simultaneous analysis of cyromazine, sulfonamides and tetracyclines in animal wastewater and soil samples by optimized LC-MS/MS

文献类型： 外文期刊

作者： Wei, Ruicheng 1 ; Shao, Mingcheng 1 ; Chen, Ming 1 ; Wang, Ran 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Minist Agr, Jiangsu Prov Key Lab Anim Derived Food Safety, Key Open Lab Edible Agr Prod Safe Monitoring & Co, Nanjing, Jiangsu, Peoples R China

关键词： Cyromazine;Sulfonamides;Tetracyclines;LC-MS/MS;Residue

期刊名称：ADVANCES IN ENVIRONMENTAL SCIENCE AND ENGINEERING, PTS 1-6

ISSN： 1022-6680

年卷期： 2012 年 518-523 卷

页码：

收录情况： SCI

摘要： In order to predict the main species of veterinary drugs in the environment, cyromazine (CY), sulfonamides (SAs) and tetracyclines (TCs) were studied in animal wastewater and soil by liquid chromatography-tandem mass spectrometry. In the method, the reversed-phase column of C-8 column, the BIB solid phase extraction column, the 0.1% formic acid acetonitrile-water solution mobile phase with gradient elution were used. The flow rate was 0.30 mL/min, the detection mode was multiple reaction monitoring (MRM) with positive ion electro spray ionization and the injection volume was 10 mu L. The quantification limit of the method (MQL) was 5ng/L for CY, 25ng/L for SAs, and 50 ng/L TCs in animal wastewater samples. In soil samples, MQL was 25 mu g/kg for CY, 40 mu g/kg for SAs, and 50 mu g/kg for TCs. The correlation coefficient was higher than 0.99. Recoveries of CY, SAs and TCs at fortified levels were higher than 61%, with relative standard deviation of 0.84%-6.49%.

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