Use of a nanostructured material for separation of 238U and 237U produced by the photonuclear reaction 238U(γ, n)237U

被引：2
|
作者：
Maslov O.D. [1 ]
Bozhikov G.A. [1 ]
Ivanov P.I. [2 ]
Gustova M.V. [1 ]
Belov A.G. [1 ]
Dmitriev S.N. [1 ]
机构：
[1] Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Moscow oblast
[2] Novi Khan Radioactive Waste Repository, Novi Khan, Sofia oblast
来源：
Radiochemistry | 2010年 / 52卷 / 1期
关键词：
Nanostructured materials; Photonuclear reactions; Uranium-237;
D O I：
10.1134/S1066362210010194
中图分类号：
学科分类号：
摘要：
237U was produced by the reaction 238U(γ, n) on an electron accelerator, MT-25 microtron, at the Flerov Laboratory of Nuclear Reactions. For the separation of 237U and [238U, the recoil nuclei were collected by a nanostructured material, hydrated manganese dioxide (of the cryptomelane type), in the solid-solid system. From fission products, 237U was separated by ion exchange. The specific activity of the resulting 237U was 4.5 × 109 Bq (mg 238U)-1, with the content of radioactive impurities of ≤10-6 Bq Bq-1. The chemical yield of 237U was 80%. © 2010 Pleiades Publishing, Ltd.
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收藏
页码：87 / 89
页数：2
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