Effective separation of Am(III) and Cm(III) using a DGA resin via the selective oxidation of Am(III) to Am(V)

Autor:	Zakir Kazi, Marina Totland, Marcus Christl, Nicolas Guérin, Sean Burrell, Alexandre Gagné
Rok vydání:	2019
Předmět:	chemistry.chemical_classification Curium Isotope Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health chemistry.chemical_element Americium Actinide Polymer 010403 inorganic & nuclear chemistry 01 natural sciences Pollution 0104 chemical sciences Analytical Chemistry chemistry.chemical_compound Nuclear Energy and Engineering chemistry Nitric acid Radiology Nuclear Medicine and imaging Energy source Spectroscopy Accelerator mass spectrometry Nuclear chemistry
Zdroj:	Journal of Radioanalytical and Nuclear Chemistry. 321:227-233
ISSN:	1588-2780 0236-5731
DOI:	10.1007/s10967-019-06571-0
Popis:	A new method was developed to effectively separate Am(III) from Cm(III). Am(III) was selectively oxidized to Am(V) using a mixture of Na2S2O8, Ag(I), and NaOCl in 0.01 M HNO3. Cm(III) was selectively retained on a DGA resin, while Am(V) had no retention. A separation factor of 110 ± 20 was usually obtained from a single separation. The new separation method was applied to determine Cm isotopes 244, 245 and 246 by accelerator mass spectrometry (AMS) in spent nuclear fuel samples.
Databáze:	OpenAIRE
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