在线净化-液相色谱-串联质谱法测定茶叶中5种烟碱类农药残留

引用本文: 李慧思, 黄超群, 蒋沁婷, 钟莺莺, 朱晓雨, 陈笑梅, 莫为民. 在线净化-液相色谱-串联质谱法测定茶叶中5种烟碱类农药残留[J]. 色谱, 2016, 34(3): 263-269. doi: 10.3724/SP.J.1123.2015.10003 shu

Citation: LI Huisi, HUANG Chaoqun, JIANG Qinting, ZHONG Yingying, ZHU Xiaoyu, CHEN Xiaomei, MO Weimin. Determination of five neonicotinoid pesticide residues in tea by online clean-up-liquid chromatography-tandem mass spectrometry[J]. Chinese Journal of Chromatography, 2016, 34(3): 263-269. doi: 10.3724/SP.J.1123.2015.10003 shu

在线净化-液相色谱-串联质谱法测定茶叶中5种烟碱类农药残留

李慧思 ^1, ,
黄超群 ^{2,
,} ,
蒋沁婷 ^2, ,
钟莺莺 ^3, ,
朱晓雨 ^2, ,
陈笑梅 ^2, ,
莫为民 ^1,

1.
1. 浙江工业大学化学工程学院, 浙江杭州 310014;
2.
2. 浙江出入境检验检疫局, 浙江杭州 310016;
3.
3. 宁波出入境检验检疫局, 浙江宁波 315012

通讯作者: 黄超群

基金项目:
国家质检总局科技计划项目(2015IK302) (2015IK302)

宁波市重大课题(2007C10035). (2007C10035)

摘要: 建立了在线净化-液相色谱-串联质谱测定茶叶中吡虫啉、啶虫脒、噻虫啉、噻虫嗪和噻虫胺5种常见烟碱类农药残留量的方法。样品经水浸泡、乙腈提取和在线净化后,用液相色谱-串联质谱测定。结果表明,本方法对5种烟碱类农药的定量限均为0.01 mg/kg。5种烟碱类农药在1.0~10 μ g/L范围内具有良好的线性关系,相关系数均大于0.998。在0.01、0.02和0.05 mg/kg的添加水平下,回收率为68.0%~113.2%,相对标准偏差为3.2%~7.6%。本方法简便、快速、准确,适用于茶叶样品中烟碱类农药残留量的检测。

关键词:

English

Determination of five neonicotinoid pesticide residues in tea by online clean-up-liquid chromatography-tandem mass spectrometry

1.
1. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;
2.
2. Zhejiang Entry-Exit Inspection and Quarantine Bureau, Hangzhou 310016, China;
3.
3. Ningbo Entry-Exit Inspection and Quarantine Bureau, Ningbo 315012, China

Corresponding author: 黄超群

Received Date: 07 October 2015
Fund Project:
国家质检总局科技计划项目(2015IK302)

宁波市重大课题(2007C10035).

Abstract: An online clean-up-liquid chromatography-tandem mass spectrometry method was developed for the determination of five neonicotinoid pesticides (imidacloprid, acetamiprid, thiamethoxam, thiacloprid and clothianidin) in tea. After rehydrated, extracted with acetonitrile, and cleaned-up online, the tea samples were determined by liquid chromatography-tandem mass spectrometry. The results indicated that the limits of quantification for the five neonicotinoid pesticides were 0.01 mg/kg, and the calibration curves were linear in the range of 1.0-10 μ g/L. The spiked recoveries for the five neonicotinoid pesticides from tea were in the range of 68.0%-113.2% with the relative standard deviations between 3.2% and 7.6%. This method is simple, rapid, accurate, and suitable for the simultaneous determination of the five neonicotinoid pesticides in tea.

Key words:

online clean-up
/ liquid chromatography-tandem mass spectrometry (LC-MS/MS)
/ neonicotinoid pesticides
/ tea

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沈阳化工大学材料科学与工程学院沈阳 110142

在线净化-液相色谱-串联质谱法测定茶叶中5种烟碱类农药残留

通讯作者: 黄超群

English

Determination of five neonicotinoid pesticide residues in tea by online clean-up-liquid chromatography-tandem mass spectrometry

Corresponding author: 黄超群

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

在线净化-液相色谱-串联质谱法测定茶叶中5种烟碱类农药残留

通讯作者: 黄超群

English

Determination of five neonicotinoid pesticide residues in tea by online clean-up-liquid chromatography-tandem mass spectrometry

Corresponding author: 黄超群

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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