Determination of environmental actinide nuclides and210Pb(210Po) by low-energy photon spectrometry with alpha-spectrometry |
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Authors: | M Sakanoue M Yamamoto K Komura |
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Institution: | (1) Low-Level Radioactivity Laboratory, Kanazawa University, Wake, Tatsunokuchi, 923-12 Ishikawa, (Japan) |
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Abstract: | Low-energy photon spectrometry with -spectrometry was used to determine the environmental concentrations of low-level actinides and other nuclides, especially210Pb and210Po. The isotopic ratio of240Pu/239Pu was successfully determined by measuring Lx-ray/ -ray counting ratio. A reliable method has been developed for the determination of extremely low-level237Np global fallout in environmental samples. The non-destructive determination by Ge-LEPS for natural210Pb in various samples (tobacco leaves, commercially available tobacco, etc.) was also carried out with the determination of210Po by -spectrometry using209Po as a yield tracer. |
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