Abstract
The uncertainty of the determination of VA, VD3 and VE content in infant nutritional rice flour by HPLC was evaluated. According to JF1059.1—2012 ＂evaluation and Representation of Measurement Uncertainty＂, a mathematical model for simultaneous determination of VA, VD3 and VE content uncertainty in infant nutrition rice flour by HPLC was established, and the sources of uncertainty in the measurement process were analyzed, quantified and synthesized layer by layer. When the sampling volume was 5.000 g, the expanded uncertainty of VA, VD3 and VE in the sample was 0.188 4, 0.009 3, 0.006 7 μg/g, and the measured content was(9.250 0±0.188 4), (0.114 0±0.009 3), (0.181 5±0.006 7) μg/g, respectively. The uncertainty of the final result was mainly caused by the preparation of standard solution reserve, fitting of standard working curve and recovery rate.
Publication Date
2-28-2021
First Page
85
Last Page
92
DOI
10.13652/j.issn.1003-5788.2021.02.015
Recommended Citation
Rong-bin, ZHANG; Zhi-yong, DAI; Meng-yi, LI; Zhen-gui, CHEN; and Guo-pu, REN
(2021)
"Evaluation of uncertainty in the determination of VA, VD3 and VE in nutritional rice flour for infants and young children by HPLC,"
Food and Machinery: Vol. 37:
Iss.
2, Article 15.
DOI: 10.13652/j.issn.1003-5788.2021.02.015
Available at:
https://www.ifoodmm.cn/journal/vol37/iss2/15
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