Liquid chromatography-tandem mass spectrometry analysis of neonicotinoid pesticides and 6-chloronicotinic acid in environmental water with direct aqueous injection
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- 作者：Chunyan Haoa ; chunyan.hao@ontario.ca" class="auth_mail" title="E-mail the corresponding author ; Matthew R. Noesthedenb ; Xiaoming Zhaoa ; David Morsea
- 关键词：Neonicotinoids (NNIs) ; 6-Chloronicotinic acid ; Liquid chromatography&ndash ; tandem mass spectrometry (LC-MS/MS) ; Differential ion mobility spectrometry ; Direct aqueous injection (DAI)
- 刊名：Analytica Chimica Acta
- 出版年：2016
- 出版时间：21 June 2016
- 年：2016
- 卷：925
- 期：Complete
- 页码：43-50
- 全文大小：1334 K
文摘
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A most efficient LC/MS–MS method presented for neonicotinoids in water.
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Performance of 4000, 5500 and 6500 QTRSP mass spectrometer was compared.
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Alternative MRM transitions could decrease noise levels for LC-MS/MS analysis.
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Differential ion mobility spectrometry reduced noise and isobaric interferences.
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Method applied to stream water analysis with proven data quality.