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Method validation of sequential analysis for 55Fe, 63Ni, and 99Tc in the groundwater sample.

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Title: Method validation of sequential analysis for 55Fe, 63Ni, and 99Tc in the groundwater sample.
Authors: Kim, Hae Ri1,2 (AUTHOR), Kam, Da Young1 (AUTHOR), Yang, Jae Hwan2 (AUTHOR), Lim, Jong Myoung1 (AUTHOR) jmlim@kaeri.re.kr
Source: Journal of Radioanalytical & Nuclear Chemistry. Dec2025, Vol. 334 Issue 12, p9417-9426. 10p.
Subjects: Groundwater, Environmental monitoring, Evaluation methodology, Quality assurance, Radioactive wastes, Radioisotopes, Calibration, Sequential analysis
Abstract: Since 55Fe, 63Ni, and 99Tc have relatively long half-lives and high mobility in the environment, they are considered important radionuclides in environmental samples such as groundwater and soil around the radioactive waste disposal sites. In this study, we aimed to develop and optimize a method for the sequential analysis of 55Fe, 63Ni, and 99Tc in groundwater from a radioactive waste disposal site. The optimized method was developed to handle a sample volume of more than 2 L for the purpose of environmental radioactivity monitoring. Quality assurance factors such as accuracy and precision were evaluated to validate the method, and the final developed method was applied to groundwater samples to confirm its applicability. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Since 55Fe, 63Ni, and 99Tc have relatively long half-lives and high mobility in the environment, they are considered important radionuclides in environmental samples such as groundwater and soil around the radioactive waste disposal sites. In this study, we aimed to develop and optimize a method for the sequential analysis of 55Fe, 63Ni, and 99Tc in groundwater from a radioactive waste disposal site. The optimized method was developed to handle a sample volume of more than 2 L for the purpose of environmental radioactivity monitoring. Quality assurance factors such as accuracy and precision were evaluated to validate the method, and the final developed method was applied to groundwater samples to confirm its applicability. [ABSTRACT FROM AUTHOR]
ISSN:02365731
DOI:10.1007/s10967-025-10563-8