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<p>Accurate identification of isotopes and elements of uranium (U) and plutonium (Pu) in environmental samples from the nuclear fuel cycle is essential for environmental monitoring and safeguarding. A novel microfluidic system coupled with a multi-collecting inductively coupled plasma mass spectrometer (MC-ICP-MS) allows the measurement Pu and U isotope ratios in real time. The application reduces the sample volume required to less than 80 µL with required quantities of analytes being reduced from the conventional micrograms to less than nanograms. This reduction in sample and reagent volume makes the analytical process less resource-intensive and generates less waste; a significant benefit for safer and more efficient analysis operations.</p>

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Measurement of U and Pu isotopic ratio in environmental samples through MC-ICP-MS integrated to an automated microfluidic column

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月24日

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  • Shuang Yu Han,
  • Shaun Hemming,
  • Bernard J. Treves Brown,
  • Matthew Alan Higginson,
  • Philip Kaye,
  • Clint A. Sharrad,
  • Scott L. Heath

摘要

Accurate identification of isotopes and elements of uranium (U) and plutonium (Pu) in environmental samples from the nuclear fuel cycle is essential for environmental monitoring and safeguarding. A novel microfluidic system coupled with a multi-collecting inductively coupled plasma mass spectrometer (MC-ICP-MS) allows the measurement Pu and U isotope ratios in real time. The application reduces the sample volume required to less than 80 µL with required quantities of analytes being reduced from the conventional micrograms to less than nanograms. This reduction in sample and reagent volume makes the analytical process less resource-intensive and generates less waste; a significant benefit for safer and more efficient analysis operations.