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Citation: YANG Qiuhong, LIU Huan, ZOU Puxin, QI Minglong, LIU Yongtao, AI Xiaohui. Determination of pendimethalin residues in Procambarus clarkii by high performance liquid chromatography-triple quadrupole mass spectrometry[J]. Chinese Journal of Chromatography, ;2018, 36(6): 552-556. doi: 10.3724/SP.J.1123.2018.01008 shu

Determination of pendimethalin residues in Procambarus clarkii by high performance liquid chromatography-triple quadrupole mass spectrometry

YANG Qiuhong ^1,2, ,
LIU Huan ² ,
ZOU Puxin ³ ,
QI Minglong ³ ,
LIU Yongtao ^1,2 ,
AI Xiaohui ^1,2

1.
Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China;
2.
Chinese Academy of Fishery Sciences, Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture, Beijing 100141, China;
3.
Chengdu University of Information Technology, College of Resources and Environment, Chengdu 610225, China

Received Date: 7 January 2018

Fund Project: Central Public-interest Scientific Institution Basal Research Fund,Chinese Academy of Fishery Sciences (CAFS)(No.2018HY-ZD0606)

A novel method was developed for the determination of pendimethalin in Procambarus clarkii by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). Samples were extracted with ethyl acetate containing 0.1%(v/v) acetic acid, and the extracts were dried at 35℃. The final extracts were redissolved with methanol-water (8:2, v/v) containing 0.1%(v/v) acetic acid and cleaned up by acidic alumina column and graphitized carbon black (GCB). The prepared samples were separated on a Symmetry C18 column (100 mm×2.1 mm, 3.5 μm) and characterized using a heated electrospray ionization (HESI) source in the positive ion multiple reaction monitoring mode. Under optimum experimental conditions, the standard curve was linear in the range of 1.0-20.0 μg/L with the correlation coefficient of 0.9960. The limit of detection was 0.5 μg/kg. The spiked recoveries of the pendimethalin in the Procambarus clarkii samples ranged from 63.3% to 104.7% with RSDs of 6.9%-14.5% (n=7). The proposed method is quick, simple and sensitive, and suitable for the rapid determination and analysis of pendimethalin in Procambarus clarkii samples.
- high performance liquid chromatography-triple quadrupole mass spectrometry (HPLC-MS/MS),
- residues,
- pendimethalin,
- Procambarus clarkia
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