| 玄武岩钛同位素分析标准物质研制 |
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| 引用本文： | 唐索寒,李津,闫斌.玄武岩钛同位素分析标准物质研制[J].岩石矿物学杂志,2014,33(4):779-784. |
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| 作者姓名： | 唐索寒 李津 闫斌 |
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| 作者单位： | 中国地质科学院 |
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| 基金项目： | 国土资源公益性行业科研专项经费项目(200911043-17);中国地质调查局地质调查项目(1212011120296) |
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| 摘 要： | 同位素标准物质是进行同位素准确分析的基础和关键,其同位素组成是同位素测量的基本参数。本文报道了玄武岩钛同位素标准物质的研制过程和定值结果,包括标准物质的选择、均匀性和稳定性检验、定值分析及测定数据的统计性检验等。玄武岩钛同位素标准物质的主要特性量值的推荐值及95%置信水平的不确定度为:δ~(47)Ti(‰)=-0.53±0.07,δ~(48)Ti(‰)=-1.05±0.09,δ~(49)Ti(‰)=-1.57±0.16,δ~(50)Ti(‰)=-2.10±0.18。该标准物质可用于地质样品钛同位素测定中化学流程评价和验证、质谱仪的校正及整个过程的分析质量控制。
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| 关 键 词： | 钛同位素 玄武岩标准物质 标准值 |
| 收稿时间： | 2013/12/23 0:00:00 |
| 修稿时间： | 2014/3/19 0:00:00 |
The preparation of reference material for titanium isotope measurement of basalt |
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| TANG Suo-han,LI Jin and YAN Bin.The preparation of reference material for titanium isotope measurement of basalt[J].Acta Petrologica Et Mineralogica,2014,33(4):779-784. |
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| Authors: | TANG Suo-han LI Jin and YAN Bin |
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| Institution: | Institute of Geology, Chinese Academy of Geological Sciences, Key Laboratory of Isotopic Geology, Ministry of Land and Resources;State Key Laboratory of Continental Tectonics and Dynamics, Beijing 100037, China;Institute of Geology, Chinese Academy of Geological Sciences, Key Laboratory of Isotopic Geology, Ministry of Land and Resources;State Key Laboratory of Continental Tectonics and Dynamics, Beijing 100037, China;Institute of Geology, Chinese Academy of Geological Sciences, Key Laboratory of Isotopic Geology, Ministry of Land and Resources;State Key Laboratory of Continental Tectonics and Dynamics, Beijing 100037, China |
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| Abstract: | |
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| Keywords: | titanium isotopes geological reference material certified value |
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