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

Yu Bing Zha; Mao Fang Huang; Chun Liang Yang; Ming Yue Wang; Ling Lin; Jian Xing Liu; Shao Dong Zeng

doi:10.4028/www.scientific.net/AMR.852.270

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 852Determination of Chlorbenzuron Residues in Tea by...

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

Abstract:

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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Periodical:

Advanced Materials Research (Volume 852)

Pages:

270-273

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.852.270

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Online since:

January 2014

Authors:

Yu Bing Zha, Mao Fang Huang, Chun Liang Yang, Ming Yue Wang, Ling Lin, Jian Xing Liu, Shao Dong Zeng

Keywords:

Chlorbenzuron, Residue, TEA, UPLC-MS/MS

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