文献类型： 外文期刊
作者： Zha, Yubing 1 ; Huang, Maofang 1 ; Yang, Chunliang 1 ; Wang, Mingyue 1 ; Lin, Ling 1 ; Liu, Jianxing 3 ; Zeng, Shaodon 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China
2.Minist Agr, Lab Quality & Safety Risk Assessment Agro Prod Pr, Zhanjiang, Peoples R China
3.Inst Control Agrochem, Chongqing, Peoples R China
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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