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Corresponding Author(s)

钟菲菲(1983—),女,长沙市食品药品检验所高级工程师,硕士。E-mail:Zhongfeifei83@163.com

Abstract

Objective: This study aimed to evaluate the determination uncertainty of four quinolones residues in honey by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Methods: Based on GB 31657.2—2021, a mathematical model for sources of uncertainty evaluation was established. The uncertainty of each variable which affect the result were calculated and the weight of each uncertainty component was assessed. Results: The uncertainties in the determination of enrofloxacin, sarafloxacin, ofloxacin and ciprofloxacin in honey were (4.97±0.81), (10.13±1.58), (7.67±1.23), (14.97±2.25) μg/kg (P=95%,k=2) respectively. Conclusion: The main influencing factors of the determination uncertainty were preparation and dilution process of standard solution and fitting of standard curve, which should be controlled in practical work.

Publication Date

4-30-2024

First Page

75

Last Page

81

DOI

10.13652/j.spjx.1003.5788.2023.81288

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