氮中磷化氢气体标准物质的制备 |
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引用本文: | 于清,许思思,王云,黄清波. 氮中磷化氢气体标准物质的制备[J]. 化学分析计量, 2016, 0(2): 1-3. DOI: 10.3969/j.issn.1008-6145.2016.02.001 |
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作者姓名: | 于清 许思思 王云 黄清波 |
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作者单位: | 山东省计量科学研究院,济南,250014 |
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基金项目: | 国家质检总局科技计划项目(2013QK156) |
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摘 要: | 用称量法配制磷化氢气体标准物质,以配制值作为标准值,研制出浓度为10~4 000μmol/mol的氮中磷化氢气体标准物质,其量值相对扩展不确定度U_(rel)=2%(k=2),其均匀性满足FF_α,稳定性满足|b_1|t_(0.95,n-2)·s(b_1)。试验测试和应用结果表明,该标准物质量值准确可靠,均匀性、稳定性和不确定度符合项目任务书的要求,可用于磷化氢气体报警器的检定、校准以及环境监测和化工企业等领域的质量控制、方法确认。
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关 键 词: | 磷化氢 标准物质 制备 均匀性 稳定性 |
Preparation of Phosphine in Nitrogen Gas Standard Material |
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Abstract: | Phosphine gas standard material was made by weighing method, whose preparation value was as the standard value, 10–4 000μmol/mol phosphine in nitrgen gas standard material were developed withUrel of 2%(k=2). The uniformity of the standard material metF
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Keywords: | phosphine standard material preparation uniformity stability |
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