Simultaneous Analysis of Seven Neonicotinoids in Commercial Milk Samples Using an UHPLC-MS/MS Method

被引：6

作者：

Huang, Yu-Fang ^{[1
,2
,3
]}

Huang, Yi-Min ^{[1
]}

Lee, Hsin-Jui ^{[1
]}

机构：

[1] Natl United Univ, Dept Safety Hlth & Environm Engn, Miaoli 36063, Taiwan

[2] Natl United Univ, Ctr Chem Hazards & Environm Hlth Risk Res, Miaoli 36063, Taiwan

[3] Natl Yang Ming Univ, Inst Food Safety & Hlth Risk Assessment, Taipei 100, Taiwan

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 19期

关键词：

neonicotinoid; UHPLC-MS; MS; commercial milk; LIQUID-CHROMATOGRAPHY; PESTICIDE-RESIDUES; INSECTICIDES;

D O I：

10.3390/app10196775

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A liquid-liquid extraction and ultra high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method was developed for simultaneous analysis of the residues of seven neonicotinoid insecticides (NEOs), namely acetamiprid, clothianidin, dinotefuran, imidacloprid, thiacloprid, thiamethoxam, and nitenpyram, in commercial milk samples. The method had a good linearity (R-2 > 0.992) and a limit of detection range of 0.004-0.15 mu g/kg. The average recovery range was 89-119% with an intraday precision of 1.4-10.3% at spiking levels of 8, 12, and 16 mu g/kg. The validated method was employed for routine analysis of the aforementioned seven NEOs in commercial milk samples obtained randomly from a supermarket in Miaoli (Taiwan). The detected thiamethoxam and clothianidin levels were 3.4 and 80 mu g/kg, respectively.

引用

页数：14

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