Evaluation of Uncertainty in Determination of Urotropine in Rice Noodles by Ultra Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry

doi:10.7506/spkx1002-6630-201516047

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Evaluation of Uncertainty in Determination of Urotropine in Rice Noodles by Ultra Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry

XU Xing1,2, ZHANG Xiaoming1,*, SHU Ping2, ZHANG Yan2, PENG Feijin2

1. School of Food Science and Technology, Jiangnan University, Wuxi 214122, China;
2. Dali Comprehensive Inspection Centre of Quality and Technical Supervision, Dali 671000, China

Online:2015-08-25 Published:2015-08-17
Contact: ZHANG Xiaoming

Abstract

Abstract:

A method for the determination of urotropine in rice noodles by ultra performance liquid chromatography-stable
isotope dilution mass spectrometry was developed. The mathematical model of uncertainty evaluation was established
after the sources of uncertainty were systematically analyzed. Based on each uncertainty of the key factors during the
analysis process, the combined and expanded uncertainties were evaluated. When the measurement result of urotropine was
0.821 mg/kg, the expanded uncertainty was 0.079 mg/kg (k = 2). This study can provide a reference basis for the uncertainty
evaluation of isotope dilution mass spectrometry.

Key words: stable isotope dilution mass spectrometry, uncertainty, rice noodles, urotropine

CLC Number:

O657.63

XU Xing, ZHANG Xiaoming, SHU Ping, ZHANG Yan, PENG Feijin. Evaluation of Uncertainty in Determination of Urotropine in Rice Noodles by Ultra Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201516047.

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Evaluation of Uncertainty in Determination of Urotropine in Rice Noodles by Ultra Performance Liquid Chromatography-Stable Isotope Dilution Mass Spectrometry

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