Abstract
Objective: This study aimed to analyze the accuracy of determination results of five kinds of carbamate pesticide residues in apple. Methods: Five kinds of carbamate pesticide residues in apples were detected according to NY/T 761—2008, and the uncertainty of the determination process was evaluated and analyzed. Results: The contents of carbosulfur, methomyl, 3-hydroxycarbamate, aldicarb and isoprocarb in apples are expressed in the form of expanded uncertainty as (0.105 7±0.007 8), (0.107 7±0.006 2), (0.109 2±0.005 8), (0.103 9±0.008 4), (0.106 1±0.007 6) mg/kg (k=2). Conclusion: The main sources of uncertainty in the experiment are standard material, recovery rate, sample pretreatment, and detection equipment, and the overall expression is Urel(Standard)＞Urel(Recovery Rate)＞Urel (Pretreatment)＞Urel (Instrument).
Publication Date
10-16-2022
First Page
72
Last Page
76,133
DOI
10.13652/j.spjx.1003.5788.2022.80009
Recommended Citation
Xing, YU; Wei, CHANG; Yong-lin, WANG; and Zeng, YAO
(2022)
"Evaluation of uncertainty in determination of five kinds of carbamate pesticide residues in apple by liquid chromatography-post-column derivatization,"
Food and Machinery: Vol. 38:
Iss.
9, Article 13.
DOI: 10.13652/j.spjx.1003.5788.2022.80009
Available at:
https://www.ifoodmm.cn/journal/vol38/iss9/13
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