Progress achieved in EURAMET project 21GRD09 MetroPOEM: Metrology for the harmonisation of measurements of environmental pollutants in Europe

IF 1.8 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2025-09-11 DOI:10.1016/j.apradiso.2025.112182

Dirk Arnold , Rasmus Andreasen , Oktay Cankur , Lucille Chambon , Marcus Christl , José Antonio Corcho Alvarado , Stefan Röllin , Betül Ari Engin , Arunas Gudelis , Karin Hain , Violeta Hansen , Steffen Happel , Mihail-Razvan Ioan , Johanna Irrgeher , Simon Jerome , Béatrice Lalère , Valérie Lourenço , Dmitriy Malinovskiy , Monika Mazánová , Jelena Krneta Nikolić , Tea Zuliani

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引用次数: 0

Abstract

The European Green Deal's ambition for zero pollution requires development of highly sensitive techniques to detect ultra-low amounts of pollutants and isotope ratios, where mass spectrometry is a key method. The MetroPOEM project bridges the traceability gap between activity and mass-based measurements.

Low level radioactive standard solutions (⁹⁰Sr, ²³⁷Np, ²³⁴U, ²³⁶U, natural uranium (U_nat), ²³⁹Pu, ²⁴⁰Pu, ²⁴¹Am, ^239,240Pu) were distributed to 18 partner laboratories for measurement by mass spectrometric and decay counting techniques. The results and data analysis will be published separately.

SI-traceable high precision methods were developed for isotope ratio determination of Li, B, Cr, Cd, Ni, Sb, Pb and U in seawater. Method development addressed analyte separation from the matrix, evaluation of calibration approaches, isotope fractionation corrections and uncertainty estimation.

Seawater (250 L) was taken from the German North Sea exclusive economic zone (DE-EEZ) to develop two certified reference materials (CRMs). Part of this material was used to generate a CRM with SI traceability for isotope ratios of Li, B, Cr, Cd, Ni, Sb, Pb and U. The second part was used to generate a seawater CRM, spiked with U_nat, ²³⁷Np, ^239,240Pu and ²⁴¹Am.

A solid silica-based CRM, spiked with U_nat, ²³⁷Np, ^239,240Pu and ²⁴¹Am, was produced by sol-gel synthesis, with ∼10 kg of inactive material for method development.

These materials were characterised in accordance with ISO 17034 by interlaboratory studies between project partners, using techniques developed in the project.

Two Good Practice Guides, on (i) measurement of radioactivity by mass spectrometry, and (ii) sample treatment, uncertainties, and mass bias quantification, are in draft.

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EURAMET项目21GRD09 MetroPOEM取得的进展：欧洲环境污染物测量协调的计量。

《欧洲绿色协议》的零污染目标要求开发高灵敏度的技术，以检测超低量的污染物和同位素比率，其中质谱法是一种关键方法。MetroPOEM项目弥合了活动和基于质量的测量之间的可追溯性差距。低放射性标准溶液（90Sr、237Np、234U、236U、天然铀（Unat）、239Pu、240Pu、241Am、239240pu）被分配到18个合作实验室，通过质谱和衰变计数技术进行测量。调查结果和数据分析将分别发表。建立了海水中Li、B、Cr、Cd、Ni、Sb、Pb、U同位素比测定方法。方法开发涉及分析物与基体的分离、校准方法的评估、同位素分馏校正和不确定度估计。海水（250 L）取自德国北海专属经济区（DE-EEZ），用于开发两种认证标准物质（crm）。该材料的一部分用于生成具有SI可追溯性的Li， B, Cr, Cd, Ni, Sb， Pb和u同位素比率的CRM，第二部分用于生成添加Unat， 237Np, 239,240Pu和241Am的海水CRM。通过溶胶-凝胶合成制备了一种固体硅基CRM，添加了Unat， 237Np， 239240pu和241Am，使用了~ 10kg的非活性物质用于方法开发。这些材料的特性符合ISO 17034，通过项目合作伙伴之间的实验室间研究，使用项目中开发的技术。关于(i)质谱法放射性测量和（ii）样品处理、不确定度和质量偏差量化的两个良好规范指南正在起草中。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.