| 直读光谱法测量镁合金中锰含量的测量不确定度评定 |
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| 引用本文： | 李伟杰.直读光谱法测量镁合金中锰含量的测量不确定度评定[J].化学研究,2014(3):238-241. |
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| 作者姓名： | 李伟杰 |
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| 作者单位： | 国家镁及镁合金产品质量监督检验中心,河南 鹤壁458030 |
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| 摘 要： | 根据GB/T13748.21-2009镁及镁合金化学分析方法(光电直读发射光谱分析方法测定元素含量)对镁合金中锰元素含量进行了分析,对锰含量测量的不确定度来源进行了分析,并对测量过程中产生的不确定度进行了评定.此外,指出了该方法影响锰元素测量不确定度的主要原因,以期为镁合金中锰元素含量的光谱分析提供参考.
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| 关 键 词： | 直读光谱仪 锰含量 不确定度 评定 |
Evaluation of measurement uncertainty for the determination of manganese in magnesium alloys by direct-reading spectrometer |
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| LI Weijie.Evaluation of measurement uncertainty for the determination of manganese in magnesium alloys by direct-reading spectrometer[J].Chemical Research,2014(3):238-241. |
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| Authors: | LI Weijie |
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| Institution: | LI Weijie (National Center for Quality Supervision and Inspection of Magnesium and Magnesium Alloy Products, Hebi 458030, Henan, China) |
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| Abstract: | The content of Mn in magnesium alloy was analyzed according to national standard chemical analysis method GB/T13748 .21-2009 （determination elements content by photoelec-tric direct atomic emission spectrometry ） of magnesium and magnesium alloys .At the same time ,the sources of the uncertainty of Mn content measuremnt by this method were analyzed , and the uncertainty in the measurement process was evaluated .Moreover ,the main reasons that affect the uncertainty of manganese element analysis was proposed ,thereby providing ref-erence to the determination of Mn content in Mg alloys by spectral analysis . |
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| Keywords: | direct-reading spectrometer Mn content uncertainty evaluation |
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