The integrated exposure assessment and potential risks of five organophosphorus pesticides in vegetables in Zhejiang, China (2018–2020)

Zhang, Quan; Cao, Rui; Tang, Tao; Ying, Zeteng; Hu, Shitao; Xu, Yitian

doi:10.1007/s11356-022-24181-4

Cited by 5 publications

(1 citation statement)

References 33 publications

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“…In TCM, liquid chromatography and gas chromatography are typically used in conjunction with a variety of detectors to monitor multipesticide residues. These detectors include the flame photometric detector, electron capture detector, and nitrogen phosphorus detector . The most popular methods, however, are gas chromatography–tandem mass spectrometry, , gas chromatography–mass spectrometry, , and liquid chromatography–tandem mass spectrometry. − LC–MS/MS is currently the technology of choice for determining pesticide residues .…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Determination of 26 Pesticide Residues in Traditional Chinese Medicinal Leeches by Modified QuEChERS Coupled with HPLC–MS/MS

Zhou

Huang

et al. 2023

ACS Omega

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A Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) pretreatment technique combined with HPLC–MS/MS was established to detect 26 pesticides in traditional Chinese medicinal leeches. The sample was extracted by acetonitrile solution with sodium acetate-0.1% (v/v) acetic acid as a buffer system, then cleaned up by a mixture of 750 mg of MgSO4, 150 mg of C18, and 150 mg of PSA, separated by an ACQUITY BEH C18 column, and determined in the dynamic multiple reaction mode. Under the optimized conditions, the peak areas of the 26 pesticides in leeches showed good linearity (r > 0.99) between their mass concentrations from 1 to 100 μg/L. At the spike levels of 10, 20, and 100 μg/kg, the recoveries of 26 pesticides in leeches were 72.9–101.6% with an RSD of 1.1–12.8%, an LOQ of 10 μg/kg, and an LOD of 0.1–5.4 μg/kg. This method is easy, rapid, sensitive, and practical and meets the requirements of pesticide residue detection standards.

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