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)
Creators
- 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
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 50058820
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- AMERICIUM; CURIUM; CURIUM ISOTOPES; NITRIC ACID; NUCLEAR FUELS; RESINS; SEPARATION PROCESSES; SODIUM SULFATES
- Descriptors DEC
- ACTINIDES; ALKALI METAL COMPOUNDS; ELEMENTS; ENERGY SOURCES; FUELS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; ISOTOPES; MATERIALS; METALS; NITROGEN COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC POLYMERS; OXYGEN COMPOUNDS; PETROCHEMICALS; PETROLEUM PRODUCTS; POLYMERS; REACTOR MATERIALS; SODIUM COMPOUNDS; SULFATES; SULFUR COMPOUNDS; TRANSPLUTONIUM ELEMENTS; TRANSURANIUM ELEMENTS
Optional Information
- Notes
- 26 refs.