Uncertainty Evaluation for the Determination of Bifenthrin in Tea by Gas Chromatography and Gas Chromatography-Mass Spectrometry

doi:10.7506/spkx1002-6630-201412041

Abstract

Abstract:

The possible uncertainties in the determination of bifenthrin in tea by gas chromatography (GC) and gas
chromatography-mass spectrometry (GC-MS) were analyzed and evaluated. According to Evaluation and Expression
of Uncertainty in Measurement (JJF 1059—1999), a mathematical model of uncertainty was established. Based on the
contribution ratio of each uncertainty component to the synthetic uncertainty, the key uncertainties resulted from sample
pretreatment and calibration curve preparation.

Key words: gas chromatography (GC), gas chromatography-mass spectrometry (GC-MS), bifenthrin, uncertainty, tea

CLC Number:

O657.7

WANG Ji-xiang, ZHANG Xue-zhong, WANG Ya-qin, NIU Zhi-rui, FENG Lei, ZHAO Yu. Uncertainty Evaluation for the Determination of Bifenthrin in Tea by Gas Chromatography and Gas Chromatography-Mass Spectrometry[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201412041.

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Uncertainty Evaluation for the Determination of Bifenthrin in Tea by Gas Chromatography and Gas Chromatography-Mass Spectrometry

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