| 注射重量法制备乙醇气体标准物质的不确定度 |
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| 引用本文： | 胡树国,韩桥,金美兰,盖良京,高芳.注射重量法制备乙醇气体标准物质的不确定度[J].化学分析计量,2007,16(3):11-14. |
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| 作者姓名： | 胡树国 韩桥 金美兰 盖良京 高芳 |
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| 作者单位： | 1. 中国计量科学研究院,北京,100013
2. 北京化工大学,北京,100013 |
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| 摘 要： | 分析了注射重量法制备乙醇气体标准物质不确定度的来源,包括乙醇称量过程引入的不确定度、氮气称量过程引入的不确定度、乙醇纯度引入的不确定度、氮气纯度引入的不确定度。合成不确定度及扩展不确定度分别为0.08%、0.16%(k=2)
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| 关 键 词： | 注射重量法 乙醇气体标准物质 不确定度 |
| 修稿时间： | 2007年3月12日 |
UNCERTAINTY OF ETHANOL GAS CERTIFIED REFERENCE MATERIAL PREPARATION BY INJECTION GRAVIMETRIC METHOD |
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| Hu Suguo,Han Qiao,Jin Meilan,Gai Liangjing,Gao Fang.UNCERTAINTY OF ETHANOL GAS CERTIFIED REFERENCE MATERIAL PREPARATION BY INJECTION GRAVIMETRIC METHOD[J].Chemical Analysis And Meterage,2007,16(3):11-14. |
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| Authors: | Hu Suguo Han Qiao Jin Meilan Gai Liangjing Gao Fang |
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| Abstract: | The uncertainty sources of ethanol gas certified reference material preparation by injection gravimetric method were analyzed, which included weighing process of ethanol and nitrogen, the purity of ethanol and nitrogen. The combined uncertainty and expanded uncertainty were 0.08%, 0.16%(k=2) respectively. |
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| Keywords: | injection gravimetric method ethanol gas certified reference material uncertainty |
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