| 采用比较法制备二级气体标准物质 |
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| 引用本文： | 刘清,潘浩,齐利兵.采用比较法制备二级气体标准物质[J].武汉工程职业技术学院学报,2005,17(4):32-36. |
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| 作者姓名： | 刘清 潘浩 齐利兵 |
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| 作者单位： | 1. 武汉工程职业技术学院,武汉,430080
2. 武钢氧气有限责任公司,武汉,430083 |
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| 摘 要： | 采用比较法制备氮中二氧化碳二级气体标准物质并对其不确定度进行分析计算，以及对所研制的样品进行均匀性、稳定性试验。结果表明，所制备的氮中二氧化碳气体的标准物质在一年的考察期内，其均匀性、稳定性、量值不确定度均达到国家二级标准物质要求，符合申报条件。
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| 关 键 词： | 气体标准物质 比较法 称量法 不确定度 均匀性 稳定性 |
| 文章编号： | 1671-3524（2005）04-0032-05 |
| 收稿时间： | 2005-09-26 |
| 修稿时间： | 2005年9月26日 |
Preparing Secondaty Gas Reference Substance by Way of Comparison |
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| Liu Qing,Pan Hao,Qi Libing.Preparing Secondaty Gas Reference Substance by Way of Comparison[J].Journal of University for Staff and Workers of Wuhan Iron and Steel(Group)Corporation,2005,17(4):32-36. |
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| Authors: | Liu Qing Pan Hao Qi Libing |
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| Institution: | Liu Qing Pan Hao Qi Libing |
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| Abstract: | A comparison method was used in preparation of secondaty gas standard substance(CO_2 in N_2) and analysis was made on its uncertainty.A 12-month-long inspection demonstrates CO_2 in N_2 as a sample has already reached the National Specification in uniformity,stability,uncertainty,and it is in conformity with the terms for declaration. |
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| Keywords: | gas reference substance comparsion method scaling uncertainty uniformity stability |
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