Extraction behaviour of technetium and actinides in the Aliquat-336/nitric acid system

被引：0
|
作者：
Landgren, A [1 ]
Liljenzin, JO [1 ]
机构：
[1] Chalmers Univ Technol, Dept Nucl Chem, S-41296 Gothenburg, Sweden
来源：
PROCEEDINGS OF THE WORKSHOP ON LONG-LIVED RADIONUCLIDE CHEMISTRY IN NUCLEAR WASTE TREATMENT | 1998年
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D O I：
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中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The extraction behaviour of technetium, thorium, uranium, neptunium, plutonium, americium and curium in the Aliquat-336 (diluted with 1.3-diisopropyl benzene) nitric acid system has been studied. Aliquat-336 (tri-capryl methyl ammonium nitrate) is a quaternary ammonium salt extracting different species with an anion exchange mechanism. Distribution data obtained are modelled by anion exchange (Tc) and ion-pair formation mechanisms (actinides) with the extraction of nitric acid included to account for the lowering of the free extractant concentration.
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页码：123 / 134
页数：12
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