Preparation of alpha-spectrometric sources by co-precipitation with Fe(OH)3:: application to uranium

被引：12
|
作者：
Lozano, JC [1 ]
Fernandez, F
Gomez, JMG
机构：
[1] Univ Salamanca, Fac Ciencias, Lab Radiactividad Ambiental, E-37008 Salamanca, Spain
[2] Univ Complutense, Fac Ciencias Fis, Dept Fis Atom & Nucl, E-28040 Madrid, Spain
来源：
APPLIED RADIATION AND ISOTOPES | 1999年 / 50卷 / 03期
关键词：
D O I：
10.1016/S0969-8043(98)00100-6
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A coprecipitation method using Fe(OH)(3) as carrier, previously studied for preparation of alpha spectrometric sources of actinides, was applied to uranium samples. The results point to a special behaviour of U(VI). Although chemical recoveries were lower than those obtained for actinides such as plutonium, americium and thorium, they were strongly dependent on the concentration of U(VI) in the sample. Quantitative yields were obtained when the concentration of U(VI) exceeded 16 mu g/ml. The influence of concentration on the FWHM obtained are also discussed. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：475 / 477
页数：3
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