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.

引用

页码：87 / 89

页数：2

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