Uncertainty evaluation for the determination of solvent residual in vegetable oil by headspace gas chromatography and ultrasonic vibration-headspace gas chromatography

Authors

ZHANG Hongli, Chenzhou Center for Food and Drug Control, Chenzhou, Hunan 423000, China
XU Junhua, Chenzhou Center for Food and Drug Control, Chenzhou, Hunan 423000, China
XU Wenyang, Hunan Institute of Food Quality Supervision Inspection and Research, Changsha, Hunan 410111, China
LI Yong, Chenzhou Center for Food and Drug Control, Chenzhou, Hunan 423000, China

Abstract

The possible uncertainties in the determination of No.6 solvent residual in vegetable oil by headspace gas chromatography and ultrsonic vibration-headspace gas chromatography were analyzed and evaluated. According to Evaluation and Expression of Uncertainty in Measurement (JJF 1059.1—2012) and Guidance on Evaluating the Uncertainty in Chemical Analysis (CNAS-GL06), a mathematical model of uncertainty was established. To quantify each component, the results showed that the key influence factor of uncertainty of test was the pretreatment of samples and its standard curve.

Publication Date

8-28-2017

First Page

50

Last Page

54

DOI

10.13652/j.issn.1003-5788.2017.08.012

Recommended Citation

Hongli, ZHANG; Junhua, XU; Wenyang, XU; and Yong, LI (2017) "Uncertainty evaluation for the determination of solvent residual in vegetable oil by headspace gas chromatography and ultrasonic vibration-headspace gas chromatography," Food and Machinery: Vol. 33: Iss. 8, Article 12.
DOI: 10.13652/j.issn.1003-5788.2017.08.012
Available at: https://www.ifoodmm.cn/journal/vol33/iss8/12

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