Determination and Uncertainty Evaluation of Microelements in Flaxseed by Using ICP-MS Under Two Modes
文献类型: 外文期刊
作者: Xing Li 1 ; Wang Mei 1 ; Zhao Feng-min 1 ; Cao You-fu 1 ; Zhang Xiao-yan 1 ; Cai Zhi-yong 1 ;
作者机构: 1.Chinese Acad Agr Mechanizat Sci, Beijing 100083, Peoples R China
关键词: ICF-MS;Flaxseed;Microelements;Uncertainty
期刊名称:SPECTROSCOPY AND SPECTRAL ANALYSIS ( 影响因子:0.589; 五年影响因子:0.504 )
ISSN: 1000-0593
年卷期: 2014 年 34 卷 1 期
页码:
收录情况: SCI
摘要: Copper, iron, zinc and manganese in flaxseed were determined by inductively coupled plasma mass spectrometry(ICP-MS). After digestion by microwave-assisted, Cu, Fe, Zn and Mn were analyzed by using Standard and KED modes. In the present study, testing effectiveness of the two modes was compared. On this base, valid determination mode was selected for each of the elements and uncertainty evaluations of the four microelements were explored. According to JJF1059-1999 (Evaluation and Expression of Uncertainty in Measurement), the main influence factors were analyzed one by one. Each of the uncertainties was calculated separately. It was showed that the results of Cu, Fe, Zn and Mn in flaxseed determined by ICP-MS method were satisfactory. At the same time, the results obtained in this work were considered to be valuable as a reference for the evaluation of uncertainty in measurement of Fe, Cu, Zn and Mn with ICP-MS.
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