Food and Fermentation Industries >

2023 , Vol. 49 >Issue 10: 279 - 284

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.032619

Application of correction factor in determination of organophosphorus pesticide residues

  • ZHENG Zhi ,
  • ZHI Hongfeng ,
  • HU Zhonghao ,
  • WENG Shuai ,
  • YANG Liuhua
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  • 1(Yongkang food and drug inspection Center,Yongkang 321300, China)
    2(Yongkang Center for Disease Control and Prevention, Yongkang 321300, China)

Received date: 2022-06-15

  Revised date: 2022-08-02

  Online published: 2023-06-13

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Abstract

To establish a simple, rapid, convenient, accurate, and efficient method for the detection of multiple pesticide residues, the uncertainty evaluation of pesticide detection results corrected by the spiked recovery was discussed. Db-1701 capillary column was used for separation and a flame photometric detector was used for detection. Results showed that the spiked recoveries of 12 pesticides were 71.34%-99.23% with the condition of apple as the blank sample, and the relative standard deviations (RSD) were 2.58%-14.08%. This method could meet the requirements of quality control of pesticide residue analysis and detection. When the confidence was 95%, the significance test results of pesticides used in this test showed that there were significant differences between the spiked recoveries and 1 (the spiked recovery is 100%), and the test results needed to be corrected with the correction factor f. This method introduces a correction factor, which could provide a theoretical reference for the application of spiked recovery rate in the practical detection of pesticide residues in edible agricultural products.

Key words： organophosphorus pesticide; spiked recovery; uncertainty; correction factor; fruits

Cite this article

ZHENG Zhi , ZHI Hongfeng , HU Zhonghao , WENG Shuai , YANG Liuhua . Application of correction factor in determination of organophosphorus pesticide residues[J]. Food and Fermentation Industries, 2023 , 49(10) : 279 -284 . DOI: 10.13995/j.cnki.11-1802/ts.032619

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