Uncertainty Evaluation for Determining Deoxynivalenol in Wheat by High Performance Liquid Chromatography

doi:10.7506/spkx1002-6630-201612042

Abstract

Abstract:

The measurement uncertainty for the determination of deoxynivalenol in wheat by high performance liquidchromatography (HPLC) was evaluated. According to the procedure for uncertainty assessment described in JJF 1135—2005 Evaluation of uncertainty in chemical analysis measurement and CNAS-GL06—2006 guidance on Evaluatingthe uncertainty in chemical analysis, a mathematical model was established, and the components of uncertainty duringthe determination of deoxynivalenol in wheat by HPLC were analyzed, and then the combined uncertainty and theexpanded uncertainty were calculated. The results showed that the major factor affecting the measurement uncertaintywas concentration while the minor ones were volume and sample heterogeneity. The corresponding relative standarduncertainties were 0.040 3, 0.019 7 and 0.019 6, respectively.

Key words: uncertainty, deoxynivalenol, high performance liquid chromatography (HPLC), wheat

CLC Number:

SHAO Liangliang, ZHAO Meifeng, NING Hui, YING Meirong, LUO Qian, YUAN Xiangxing. Uncertainty Evaluation for Determining Deoxynivalenol in Wheat by High Performance Liquid Chromatography[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201612042.

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Uncertainty Evaluation for Determining Deoxynivalenol in Wheat by High Performance Liquid Chromatography

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