Separation of Transplutonium Elements from Neutron Irradiated Americium-241

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概要

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• The isotopes of transplutonium elements were produced by irradiation of 10.5 mg of <SUP>241</SUP>AmaO<SUB>2</SUB> in the Japan Materials Testing Reactor during the period May 1970 through June 1971. Transplutonium elements were separated from plutonium, fission products and cladding materials by a combination of precipitation and ion exchange methods. Americium, curium and cali-fornium were mutually isolated by ordinary procedure. Plutonium-238242, americium-241 243 and curium-242245 were detected in the plutonium, americium and curium fractions, respectively. The ratios of the amounts present of these isotopes were determined by mass spectrometry. It was not possible to identify <SUP>249</SUP>Bk in the berkelium fraction owing to the interference from other β-ray emitting nuclides. In the californium fraction, both spontaneous fission and a-activities due to <SUP>250, 252</SUP> were observed.

• 一般社団法人 日本原子力学会の論文

著者

• WATANABE Kenju

  Chemistry Division, Japan Atomic Energy Research Institute

• ISHIMORI Tomitaro

  Chemistry Division, Japan Atomic Energy Research Institute

• UENO Kaoru

  Chemistry Division, Japan Atomic Energy Research Institute

• UENO Kaoru

  Chemi-Con Materials Corp.

• SAGAWA Chiaki

  Chemistry Division, Japan Atomic Energy Research Institute

関連論文

• Separation of Transplutonium Elements from Neutron Irradiated Americium-241
• Absorption spectrum of Pu(VI) in alkaline potassium periodate solution.

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