Uranium, Thorium and Potassium Contents In Eighteen Geochemical Reference Samples Issued from the Geological Survey of Japan |
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| Authors: | Kazuhisa KOMURA Kok-Leong TAN Kaoru UENO |
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| Institution: | Low Level Radioactivity Laboratory, Kanazawa University, Wake, Tatsunokuchi, Nomi, Ishikawa 923–12, Japan |
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| Abstract: | Uranium, thorium and potassium contents in eighteen geochemical reference samples issued from the Geological Survey of Japan have been measured by non-destructive gamma-ray spectrometry using germanium semiconductor detectors. Results are generally in good agreement with recent values measured by various methods. |
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