| 火焰法——原子吸收测定蔬菜中铜的测量不确定度分析 |
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| 引用本文： | 徐为霞,郭智广,王亮,罗俊霞.火焰法——原子吸收测定蔬菜中铜的测量不确定度分析[J].微量元素与健康研究,2008,25(1):42-43. |
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| 作者姓名： | 徐为霞 郭智广 王亮 罗俊霞 |
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| 作者单位： | 郑州市农产品质量检测流通中心,郑州,450006 |
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| 摘 要： | 对火焰法——原子吸收测定蔬菜中铜的分析方法的测量不确定度进行了分析,建立了测量过程中各分量的数学模型,并识别了测量过程中不确定度来源,估算了各不确定度分量对总不确定度的影响,确定了测量结果的置信区间,给出蔬菜中铜的含量及其置信区间为1.05±0.39 mg/kg(k=2)。
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| 关 键 词： | 火焰法——原子吸收 测量不确定度 铜 |
| 文章编号： | 1005-5320（2008）01-0042-02 |
| 收稿时间： | 2007-07-09 |
| 修稿时间： | 2007年7月9日 |
Analysis of Uncertainty in Measurement for the Method of Flame Atomic Absorption Spectrometry Determination of Copper in Vegetable |
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| XU Wei-xia,GUO Zhi-guang,WANG Liang,LUO Jun-xia.Analysis of Uncertainty in Measurement for the Method of Flame Atomic Absorption Spectrometry Determination of Copper in Vegetable[J].Studies of Trace Elements and Health,2008,25(1):42-43. |
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| Authors: | XU Wei-xia GUO Zhi-guang WANG Liang LUO Jun-xia |
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| Institution: | XU Wei- xia,GUO Zhi- guang, WANG Liang, LUO Jun- xia ( The testing Center Of Agricultural Products Quality of Zhengzhou, Zhengzhou 450006, China) |
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| Abstract: | Analysis of uncertainty in measurement for the method of A A Spectrophotometer determination of copper in vegetable was introduced in this article, mathematical model for evaluation of uncertainty in measurement was constructed based on a comprehensive understanding of the whole procedure of the determination . the sources of uncertainty and their effects on the total uncertainty were also analyzed, the measurement result of copper in vegetable was given as 1.05 ± 0.39 mg/kg. |
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| Keywords: | Flame Atomic Absorption Spectrometry Uncertainty in measurement Copper |
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