Determination of Chlorbenzuron Residues in tea by UPLC-MS/MS

文献类型： 外文期刊

第一作者： Zha, Yubing

作者： Zha, Yubing;Huang, Maofang;Yang, Chunliang;Wang, Mingyue;Lin, Ling;Zeng, Shaodong;Zha, Yubing;Yang, Chunliang;Wang, Mingyue;Lin, Ling;Zeng, Shaodong;Liu, Jianxing

作者机构：

关键词： UPLC-MS/MS;chlorbenzuron;tea;residues

期刊名称：MATERIAL SCIENCE AND ADVANCED TECHNOLOGIES IN MANUFACTURING

ISSN： 1022-6680

年卷期： 2014 年 852 卷

页码：

收录情况： SCI

摘要： Residual amount of chlorbenzuron derived from tea was determined by UPLC-MS/MS. Chlorbenzuron was extracted with acetonitrile, purified by carbon/NH2 SPE cartridge, and then determined by ultra high-performance liquid chromatography with tandem mass spectrometry. The values o f lower limit of determination (10 S/N) of 1.0 ug/kg(-1) was found for Chlorbenzuron.Linear relationships in the range within 200 ug/L-1 was found. Recovery and precision of the method was tested by standard addition method at 3 concent ration levels. Results obtained was as follows: recovery 79.2 % - 89.6 %; RSD ( n= 6) of repeatability 0.72 % -5.85 %.It is suitable for the determination of chlorbenzuron residual in tea.

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