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皮克量级钚同位素丰度比的TIMS分析

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杨天丽, 龙开明, 刘雪梅, 刘钊, 汤磊. 2005: 皮克量级钚同位素丰度比的TIMS分析, 质谱学报, 26(z1): 65-66. doi: 10.3969/j.issn.1004-2997.2005.z1.033
引用本文: 杨天丽, 龙开明, 刘雪梅, 刘钊, 汤磊. 2005: 皮克量级钚同位素丰度比的TIMS分析, 质谱学报, 26(z1): 65-66. doi: 10.3969/j.issn.1004-2997.2005.z1.033
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YANG Tian-li, LONG Kai-ming, LIU Xue-mei, LIU Zhao, TANG Lei. 2005: Analysis on the Isotopic Ratio of Picogram Pu by TIMS, Journal of Chinese Mass Spectrometry Society, 26(z1): 65-66. doi: 10.3969/j.issn.1004-2997.2005.z1.033
Citation: YANG Tian-li, LONG Kai-ming, LIU Xue-mei, LIU Zhao, TANG Lei. 2005: Analysis on the Isotopic Ratio of Picogram Pu by TIMS, Journal of Chinese Mass Spectrometry Society, 26(z1): 65-66. doi: 10.3969/j.issn.1004-2997.2005.z1.033
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皮克量级钚同位素丰度比的TIMS分析

  • 中国工程物理研究院核物理与化学研究所,四川,绵阳,621900

Analysis on the Isotopic Ratio of Picogram Pu by TIMS

  • 摘要: The isotopic abundance ratios for Pu at 6.7 pg level were measured by thermal surface ionization mass spectrometry (TIMS). During the preparation of Pu samples carbon power was used as an emitting and stabilizing reagent, which increase the collection efficiency, the ion current intense and the ion emission stability for Pu. The measurment results indicate that the relative standard deviation of 2.7% for the isotopic abundance ratios of 240Pu to 239Pu is achieved when the 240Pu ion current is 8-20 cps.
    Abstract: The isotopic abundance ratios for Pu at 6.7 pg level were measured by thermal surface ionization mass spectrometry (TIMS). During the preparation of Pu samples carbon power was used as an emitting and stabilizing reagent, which increase the collection efficiency, the ion current intense and the ion emission stability for Pu. The measurment results indicate that the relative standard deviation of 2.7% for the isotopic abundance ratios of 240Pu to 239Pu is achieved when the 240Pu ion current is 8-20 cps.
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  • 刊出日期:  2005-12-30

皮克量级钚同位素丰度比的TIMS分析

  • 中国工程物理研究院核物理与化学研究所,四川,绵阳,621900

摘要: The isotopic abundance ratios for Pu at 6.7 pg level were measured by thermal surface ionization mass spectrometry (TIMS). During the preparation of Pu samples carbon power was used as an emitting and stabilizing reagent, which increase the collection efficiency, the ion current intense and the ion emission stability for Pu. The measurment results indicate that the relative standard deviation of 2.7% for the isotopic abundance ratios of 240Pu to 239Pu is achieved when the 240Pu ion current is 8-20 cps.

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