Published July 2019 | Version v1
Journal article

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

  • 1. Canadian Nuclear Laboratories, Chalk River, ON (Canada). Analytical Chemistry Branch
  • 2. Laboratory of Ion Beam Physics, Zurich (Switzerland)

Description

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. (author)

Additional details

Publishing Information

Journal Title
Journal of Radioanalytical and Nuclear Chemistry
Journal Volume
321
Journal Issue
1
Journal Page Range
p. 227-233
ISSN
0236-5731
CODEN
JRNCDM

Optional Information

Notes
26 refs.