Abstract
To accurately determine 241Am by mass spectrometry, interfering elements (IEs) including Bi, Hf, Hg, Pb, Pt, Pu and Tl need to be decontaminated. In this study, the extraction behaviors of IEs in HNO3 and HCl mediums were systematically studied for the employed extraction resins (TRU, DGA-N and DGA-B). Based on the results, chemical separation procedures were proposed. After cooperation with proper co-precipitation methods, the proposed procedures can be used to determine 241Am in environmental samples. The results of evaluation showed that IEs in soil samples were completely removed and 241Am was accurately determined for all proposed procedures.
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This work was supported by the Agency for Natural Resources and Energy, the Ministry of Economy, Trade and Industry (METI), Japan.
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Wang, Z., Zheng, J., Tagami, K. et al. Extraction behaviors of interfering elements on TRU and DGA resins for 241Am determination by mass spectrometry. J Radioanal Nucl Chem 312, 151–160 (2017). https://doi.org/10.1007/s10967-017-5196-z
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DOI: https://doi.org/10.1007/s10967-017-5196-z