Praseodymium-143 from Neutron-Irradiated Uranium
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概要
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From neutron-irradiated uranium cooled for about 2 days, <SUP>143</SUP>Pr was separated indirectly by solvent extraction. After removing uranium and some extractable nuclides with bis(2-ethyl hexyl) rthophosphoric acid from 10 M nitric acid solution, <SUP>143</SUP>Co was extracted with his (2-ethyl hexyl)orthophosphoric acid (n-heptane diluent) from a 10 M nitric acid solution containing potassium bromate. Then, <SUP>143</SUP>Pr was purified after most of the <SUP>143</SUP>Ce had decayed off. Detailed measurements indicated a half-life of 13.55 ±0.02 days and maximum β-ray energy of 0.93±0.05 MeV.
- 一般社団法人 日本原子力学会の論文
著者
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ISHIMORI Tomitaro
Japan Atomic Energy Research Institute
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ISHIMORI Tomitaro
Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken.
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KOBAYASHI Yoshii
Japan Atomic Energy Research Institute
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- Praseodymium-143 from Neutron-Irradiated Uranium