Separation of 248Cm from a 252Cf neutron source for production of Cm targets

被引：0
|
作者：
Malmbeck, R
Apostolidis, C
Carlos, R
Glatz, JP
Molinet, R
Morgenstern, A
Nicholl, A
Pagliosa, G
Römer, K
Schädel, M
Sätmark, B
Trautmann, N
机构：
[1] Commiss European Communities, Joint Res Ctr, Inst Transuranium Elements, D-76125 Karlsruhe, Germany
[2] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[3] Univ Mainz, Inst Kernchem, D-55099 Mainz, Germany
来源：
RADIOCHIMICA ACTA | 2001年 / 89卷 / 09期
关键词：
Cm; Cf; separation; target production; alpha-HIBA; chromatography; UV-Vis absorption spectroscopy;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The separation of milligram amounts of Cm-248 from Cf-252 is presented. Essentially isotopically pure Cm-248 was obtained from an "old" Cf-252 neutron source by acid leaching. Curium was separated from californium in a cation exchange column combining two different eluents: alpha -HMBA at pH 4.0 for Cf, and alpha -HIBA at pH 4.8 for Cm. The method was first tested using Sm and Gd as actinide analogues. Excellent separation was obtained, yielding 12.6 mg Cm (11.9 mg Cm-248) free from Cf (Cf-250 < 1.3 x 10(-2) ng and Cf-252 < 4.2 x 10(-3) ng).
引用
收藏
页码：543 / 549
页数：7
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