YUAN Lijie, ZHENG Zhidong, SONG Hanmin, GUO Yi. Evaluation of Uncertainty for Determination of As, Pb, Cd, Hg in Mylabris by ICP-MS[J]. Chinese Journal of Modern Applied Pharmacy, 2014, 31(11): 1383-1387.
    Citation: YUAN Lijie, ZHENG Zhidong, SONG Hanmin, GUO Yi. Evaluation of Uncertainty for Determination of As, Pb, Cd, Hg in Mylabris by ICP-MS[J]. Chinese Journal of Modern Applied Pharmacy, 2014, 31(11): 1383-1387.

    Evaluation of Uncertainty for Determination of As, Pb, Cd, Hg in Mylabris by ICP-MS

    • OBJECTIVE To develop an evaluation method of the uncertainty of As, Pb, Cd, Hg in Mylabris by ICP-MS and find out the influencing factors of uncertainty. METHODS To determine the content of As, Pb, Cd and Hg in Mylabris by ICP-MS. The measurement uncertainty was confirmed according to JF1059-1999, and then the uncertainty was combined. RESULTS The amounts of As, Pb, Cd and Hg in Mylabris were (0.51±0.03), (0.24±0.02), (0.029±0.002) and (0.046± 0.005)mg·kg-1. The mainly influencing factors of uncertainty were the sample preparation, curve fitting and the state of the apparatus. CONCLUSION In order to get accurate and reliable results, the optional digestion method, optimization of the instrumental conditions and solutions matching should be chosen. The evaluation of uncertainty provided references for the accurate extent of analysis results.
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