| 火花直读光谱法对铝合金中各元素含量测量结果的不确定度评定 |
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| 引用本文： | 邹春稚,韩顺波.火花直读光谱法对铝合金中各元素含量测量结果的不确定度评定[J].化学分析计量,2009,18(1). |
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| 作者姓名： | 邹春稚 韩顺波 |
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| 作者单位： | 1. 龙口市第一中学,龙口,265701
2. 龙口市质量技术监督局,龙口,265701 |
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| 摘 要： | 分析了火花直读光谱法测定铝合金中Si、Fe、Cu、Mg、Mn、Zn、Cr、Ti元素含量测量结果的不确定度来源,对不确定度分量进行了评定与计算,Si、Fe、Cu、Mg、Mn、Zn、Cr、Ti测量结果的相对扩展不确定度分别为2. 9%、2. 5%、2. 6%、2. 7%、2. 6%、2. 6%、2. 5%、2. 7%(包含因子k均为2).
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| 关 键 词： | 发射光谱法 不确定度评定 铝合金 |
MEASUREMENT UNCERTAINTY EVALUATION OF DETERMINATION OF ELEMENTS IN ALUMINUM ALLOY BY DIRECT READING SPARK SPECTROMETRY |
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| Zou Chunzhi,Han Shunbo.MEASUREMENT UNCERTAINTY EVALUATION OF DETERMINATION OF ELEMENTS IN ALUMINUM ALLOY BY DIRECT READING SPARK SPECTROMETRY[J].Chemical Analysis And Meterage,2009,18(1). |
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| Authors: | Zou Chunzhi Han Shunbo |
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| Institution: | The Longkou First Middle School;Longkou 265701;China;Longkou Bureau of Quality and Technical Supervision;China |
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| Abstract: | Sources of uncertainty in measurement of Si,Fe,Cu,Mg,Mn,Zn,Cr,Ti elements by direct reading spark spectrometry were analysed.Uncertainty components were evaluated and calculated.Relative expanded uncertainty of Si,Fe,Cu,Mg,Mn,Zn,Cr,Ti were 2.9%,2.5%,2.6%,2.7%,2.6%,2.6%,2.5% and 2.7% respectively. |
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| Keywords: | direct reading spark spectrometry uncertainty evaluation aluminum alloy |
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