期刊文献+

用天然铀做稀释剂准确测定铀的含量技术研究

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摘要 The measurement method of uranium content was studied by use of natural uranium as spike. Uranium content in the NBS-90 was analyzed. The results were agreeement with the reference standard velves and the relatively expanded uncertainty is less than 0. 50% in 95% confidence level.
出处 《质谱学报》 EI CAS CSCD 2004年第B10期25-26,共2页 Journal of Chinese Mass Spectrometry Society
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参考文献2

  • 1Lucas M.use of an Interal Standard Consisting of a Mixture of the Isotope 233U and 236U to Improve the Accuracy of Isotopic Analyeses and Isotope Dilution Determinations: IAEA-SM-260/26[R].Vienna:IAEA.1983,293~307.
  • 2Shihomatsu H M, Iyer S S. Application of Two-Trace Isotope Dilution Maas Spectrometry in the Determination of Uranium in Geological Sample[J].Analytical Chimica Acta, 1990,228:333-335.

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