Proficiency in Determining 134Cs and 137Cs in Aquatic Samples Using Gamma Spectrometry

IF 1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION MAPAN Pub Date : 2024-01-10 DOI:10.1007/s12647-023-00712-3
A. C. Patra, Pradyumna Lenka, V. K. Thakur, C. G. Sumesh, S. K. Jha, M. S. Kulkarni
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Abstract

Participation in proficiency tests is an essential part of quality assurance activities for any laboratory involved in radiation metrology. Radioanalytical laboratory, Health Physics Division, BARC, regularly participates in national and international proficiency tests to demonstrate its radiometric capabilities for estimation of low-level natural and anthropogenic radionuclides in environmental matrices. The laboratory has been participating in annual IAEA Proficiency Tests conducted by Terrestrial Environmental Laboratory (TEL), IAEA, for estimation of natural radionuclides as well as fission and activation products in natural and spiked samples. This paper presents the results of estimation of 134Cs and 137Cs (two most important anthropogenic radionuclides that may be released from nuclear reactors during accident conditions) in spiked water samples in last five years of IAEA Proficiency Tests during 2018–2022. All results were lying well within 1σ level of the target values indicating the excellent analytical capability of this laboratory for analysis of 134Cs and 137Cs in aquatic environment.

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使用伽马能谱法测定水生样本中 134Cs 和 137Cs 的能力
摘要 参加能力测试是任何参与辐射计量的实验室质量保证活动的重要组成部分。巴卡拉哈研究中心健康物理部放射性分析实验室定期参加国家和国际能力测试,以展示其估算环境基质中低浓度天然和人为放射性核素的辐射计量能力。该实验室每年都参加由国际原子能机构地面环境实验室(TEL)举办的国际原子能机构能力测试,以估算天然样本和加标样本中的天然放射性核素以及裂变和活化产物。本文介绍了2018-2022年国际原子能机构近五年能力验证中对加标水样中134Cs和137Cs(核反应堆在事故条件下可能释放的两种最重要的人为放射性核素)的估算结果。所有结果均在目标值的1σ范围内,表明该实验室在分析水生环境中的134Cs和137Cs方面具有出色的分析能力。
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
MAPAN
MAPAN 工程技术-物理:应用
CiteScore
2.30
自引率
20.00%
发文量
91
审稿时长
3 months
期刊介绍: MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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