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Syringe cleanup with UHPLC-MS/MS for nitroimidazoles and steroids detection in manure-based fertilizers

文献类型： 外文期刊

作者： Wu, Huizhen 1 ; Tong, Jianying 1 ; Wang, Jianmei 2 ; Ji, Xiaofeng 2 ; Li, Zuguang 3 ; Qian, Mingrong 2 ;

作者机构： 1.Zhejiang Shuren Univ, Coll Biol & Environm Engn, Hangzhou, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, State Key Lab Breeding Base Zhejiang Sustainable, Hangzhou 310021, Zhejiang, Peoples R China

3.Zhejiang Univ Technol, Coll Chem Engn, Hangzhou, Zhejiang, Peoples R China

关键词： nitroimidazole; steroids; syringe-dispersive solid-phase extraction; tandem mass spectrometry; ultra-high performance liquid chromatography

期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）

ISSN： 1615-9306

年卷期： 2018 年 41 卷 15 期

页码：

收录情况： SCI

摘要： A syringe-dispersive solid-phase extraction method was developed for the determination of seven nitroimidazoles and nine steroids in manure-based fertilizers by ultra-high performance liquid chromatography with tandem mass spectrometry. Methanol and acetonitrile were used to extract the sample, and mixed dispersive sorbents dispersed in the syringe were used for purification. The extract was separated with an HSS-T3 column and detected in positive or negative multiple reaction monitoring mode. Under the optimal conditions, the recoveries of the 16 compounds ranged from 70.3 to 112.3% at the four spiked levels (3, 10, 20, and 50 mu g/kg) and the relative standard deviations ranged from 1.0 to 12.4%. The limits of detection and quantification were 0.22-0.86 and 0.73-2.87 mu g/kg, respectively. This method is simple, fast, and reliable, and can be used to simultaneously screen and determine nitroimidazoles and steroids in manure-based fertilizers.

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