| 石墨炉原子吸收光谱法测定虾粉中镉含量的不确定度评定 |
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| 引用本文： | 兴丽,赵凤敏,曹有福,董云雷.石墨炉原子吸收光谱法测定虾粉中镉含量的不确定度评定[J].化学分析计量,2012,21(1):11-13. |
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| 作者姓名： | 兴丽 赵凤敏 曹有福 董云雷 |
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| 作者单位： | 中国农业机械化科学研究院,北京,100083 |
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| 摘 要： | 对石墨炉原子吸收光谱法测定虾粉中镉含量进行了不确定度评价。分析了整个测试过程中不确定度的来源，并对各不确定度分量进行了计算，当虾粉中镉的含量为0．389mg／kg时，扩展不确定度为0．008mg／kg（k=2）。
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| 关 键 词： | 石墨炉原子吸收法 虾粉 镉 不确定度 |
Uncertainty Evaluation of the Determination of Cadmium in Shrimp Meal by Graphite Furnace Atomic Absorption Spectrophotometry |
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| Xing Li
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Zhao Fengmin
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Cao Youfu
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Dong Yunlei.Uncertainty Evaluation of the Determination of Cadmium in Shrimp Meal by Graphite Furnace Atomic Absorption Spectrophotometry[J].Chemical Analysis And Meterage,2012,21(1):11-13. |
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| Authors: | Xing Li Zhao Fengmin Cao Youfu Dong Yunlei |
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| Institution: | ( Chinese Academy of Agricultural Mechanization Sciences, Beijing 100083, China ) |
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| Abstract: | Uncertainty evaluation in measurement of cadmium in shrimp meal sample by graphite furnace atomic absorption spectrometry （ GFAAS ） was explored. Sources of the uncertainty during the testing process were analysed. The uncertainty components were calculated. The expanded uncertainty was 0.008 mg / kg（k=2） as cadmium content in the shrimp meal sample was 0.389 mg/kg. |
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| Keywords: | graphite furnace atomic absorption spectrometry shrimp meal cadmium uncertainty |
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