Uncertainty evaluation for the determination of 4 kinds of Sulfonamides residues in pork by LC-MS/MS

Authors

YAN Shun-hua, Xinjiang Uygur Autonomous Region Institute for Drug Control, Urumqi, Xinjiang 830054, China
WANG Ya-li, Xinjiang Uygur Autonomous Region Institute for Drug Control, Urumqi, Xinjiang 830054, China
XIA-YI-LA· Ai-ni, Xinjiang Uygur Autonomous Region Institute for Drug Control, Urumqi, Xinjiang 830054, China

Abstract

Objective: The uncertainty in determination of sulfamonomethoxine（SMM）, sulfadimethoxine（SDM）, sulfamethoxazole（SMZ） and sulfamethazine（SM₂） in pork was evaluated by using LC-MS/MS techniqne. Methods: The uncertainty caused by various factors in the whole process of determination was analyzed, including weighing, solution preparation, sample extraction and purification, apparatus measure，recovery，etc. Results: The expand uncertainties for SMM, SDM, SMZ and SM2 were 9.4, 18.1, 12.0 and 15.6 μg/kg, respectively. Conclusion: The results showed that the main sources of uncertainty arouse from the measurement repeatability, standard solution and curve fitting.

Publication Date

7-28-2021

First Page

69

Last Page

75,86

DOI

10.13652/j.issn.1003-5788.2021.07.011

Recommended Citation

Shun-hua, YAN; Ya-li, WANG; and Ai-ni, XIA-YI-LA· (2021) "Uncertainty evaluation for the determination of 4 kinds of Sulfonamides residues in pork by LC-MS/MS," Food and Machinery: Vol. 37: Iss. 7, Article 11.
DOI: 10.13652/j.issn.1003-5788.2021.07.011
Available at: https://www.ifoodmm.cn/journal/vol37/iss7/11

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