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通过与自动微流控柱集成的MC-ICP-MS测量环境样品中的铀和钚同位素比值。

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

作者信息

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

机构信息

Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL UK.

School of Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, European Way, Southampton, SO14 3ZH UK.

出版信息

J Radioanal Nucl Chem. 2025;334(5):3783-3796. doi: 10.1007/s10967-025-10097-z. Epub 2025 Apr 24.

DOI:10.1007/s10967-025-10097-z
PMID:40487770
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12141123/
Abstract

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.

摘要

准确识别核燃料循环环境样品中的铀（U）和钚（Pu）的同位素和元素对于环境监测和保障至关重要。一种新型微流控系统与多接收电感耦合等离子体质谱仪（MC-ICP-MS）相结合，能够实时测量钚和铀的同位素比值。该应用将所需样品体积减少到80微升以下，同时将所需分析物的量从传统的微克减少到纳克以下。样品和试剂体积的减少使得分析过程对资源的需求降低，产生的废物也更少；这对于更安全、更高效的分析操作具有显著益处。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/820acd34af00/10967_2025_10097_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/0f9fb73ec846/10967_2025_10097_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/45383f942d88/10967_2025_10097_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/4ef7f7c936f2/10967_2025_10097_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/727a008a10e0/10967_2025_10097_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/9a558824c46e/10967_2025_10097_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/547bc434d3fb/10967_2025_10097_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/07a252b4a8f0/10967_2025_10097_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/27fbda13c3b5/10967_2025_10097_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/820acd34af00/10967_2025_10097_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/0f9fb73ec846/10967_2025_10097_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/45383f942d88/10967_2025_10097_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/4ef7f7c936f2/10967_2025_10097_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/727a008a10e0/10967_2025_10097_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/9a558824c46e/10967_2025_10097_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/547bc434d3fb/10967_2025_10097_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/07a252b4a8f0/10967_2025_10097_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/27fbda13c3b5/10967_2025_10097_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7550/12141123/820acd34af00/10967_2025_10097_Fig9_HTML.jpg

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本文引用的文献

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Optimization of uranium and plutonium separations using TEVA and UTEVA cartridges for MC-ICP-MS analysis of environmental swipe samples.使用 TEVA 和 UTEVA 小柱优化铀和钚的分离，用于环境擦拭样品的 MC-ICP-MS 分析。
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使用用于 ICP-OES 的在线自动化样品制备技术对块状铀材料进行痕量元素分析。
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