Automated rapid radiochemical separations of the heaviest elements

Nagame, Yuichiro

To perform rapid and repetitive chromatographic experiments with the heaviest elements, we developed an automated rapid ion-exchange separation apparatus AIDA (Automated Ion-exchange separation apparatus coupled with the Detection system for Alpha-spectroscopy). AIDA consists of a miniaturized computer controlled high performance liquid chromatography system and an automated on-line -particle detection system. It enables us to perform cyclic discontinuous column chromatographic separations of short-lived nuclides in aqueous solutions and automated detection of -particles within a typical cycle of 1-2 min. Ion-exchange chromatographic study of element 104, rutherfordium $^{261}$ Rf, T $_{1/2}$ = 78 s, produced via the reaction of $^{248}$ Cm( $^{18}$ O, 5n), with a cross section of 10 nb, at the JAEA tandem accelerator is presented.

Language	:	English
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Meeting title	:	12th International Conference on Modern Trends in Activation Analysis (MTAA-12)
Held date	:	2007/09
Location (city)	:	Hachioji
Location (country)	:	Japan
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Keywords	:	no keyword
Research Facility	:	タンデム加速器
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Registration No. : BB20070845
JAEA Abstracts No. :
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