Carbon monoxide proficiency testing scheme with metrological traceability

IF 0.8 4区工程技术 Q4 CHEMISTRY, ANALYTICAL

Accreditation and Quality Assurance Pub Date : 2024-05-20 DOI:10.1007/s00769-024-01600-2

Florencia Almirón, Simone Fajardo, Victoria Gelabert, Elizabeth Ferreira, Michela Sega, Mariela Medina

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Abstract

This paper details the activities carried out by the Chemical Metrology Department of LATU in the development of a national proficiency testing (PT) scheme aimed at assessing the competence of laboratories in air quality parameters analysis. In this PT scheme, environmental monitoring laboratories were required to determine the concentration of elements in quartz-grade microfiber filters and impinger solutions, as well as to determine the amount fraction of a carbon monoxide in nitrogen gas mixture, within the range of (800 to 1700) µmol/mol. The focus of the present paper is mainly devoted to the second phase of the test, which addresses the preparation of the gas cylinder distributed to each participant for measurement. A detailed description of this stage is provided, along with the evaluation of the results reported by participating laboratories. This test provided an effective tool for participating laboratories to assess their national technical competence, using their preferred analysis methods.

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具有计量溯源性的一氧化碳能力验证计划

本文详细介绍了 LATU 化学计量部在制定国家能力测试（PT）计划方面开展的活动，该计划旨在评估实验室在空气质量参数分析方面的能力。在该能力测试计划中，要求环境监测实验室测定石英级微纤维过滤器和撞击器溶液中的元素浓度，以及测定氮气混合物中一氧化碳的含量分数，范围在 (800 至 1700) µmol/mol 之间。本文的重点主要放在测试的第二阶段，即准备分发给每位参与者的测量气瓶。本文对这一阶段进行了详细描述，并对参与实验室报告的结果进行了评估。这项测试为参加测试的实验室提供了一个有效的工具，使其能够使用自己喜欢的分析方法来评估本国的技术能力。

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

Accreditation and Quality Assurance 工程技术-分析化学

CiteScore

1.80

自引率

22.20%

发文量

审稿时长

6-12 weeks

期刊介绍： Accreditation and Quality Assurance has established itself as the leading information and discussion forum for all aspects relevant to quality, transparency and reliability of measurement results in chemical and biological sciences. The journal serves the information needs of researchers, practitioners and decision makers dealing with quality assurance and quality management, including the development and application of metrological principles and concepts such as traceability or measurement uncertainty in the following fields: environment, nutrition, consumer protection, geology, metallurgy, pharmacy, forensics, clinical chemistry and laboratory medicine, and microbiology.