Published December 2005
| Version v1
Journal article
Chemical behaviour of Tc(IV) complexes under alpha irradiation in chloride media
Creators
- 1. SUBATECH UMR 6457, Universite de Nantes, Ecole des Mines, IN2P3/CNRS, Nantes (France)
Description
In order to study the stability of Tc(IV) complexes in chloride media under alpha radiation produced by a cyclotron, an electrochemical cell was developed. In this cell, the stability of TcCl62-, TcCl5(H2O)-, Tc2OCl104-, TcnOy(4n-2y)+ and TcO2.xH2O were studied in 3 M chloride media with a pH range from 0.3 to 2.5. The stability of a (TcCl62-/TcCl5(H2O)-/Tc2OCl104-) mixture was also investigated during alpha irradiation under a constant current. These studies showed that TcCl62- is a very stable compound whereas chloro-oxygenated compounds were oxidized to Tc(VII). Consequently, the relative stabilities of the Tc(IV) complexes in 3 M chloride media under alpha irradiation was determined. (author)
Additional details
Publishing Information
- Journal Title
- Journal of Nuclear and Radiochemical Sciences
- Journal Volume
- 6
- Journal Issue
- 3
- Journal Page Range
- p. 237-241
- ISSN
- 1345-4749
Conference
- Title
- International symposium on technetium. Science and utilization
- Acronym
- IST-2005
- Dates
- 24-27 May 2005
- Place
- Oarai, Ibaraki (Japan)
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 38008973
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ABSORPTION SPECTRA; ALPHA PARTICLES; AQUEOUS SOLUTIONS; CHEMICAL RADIATION EFFECTS; DOSE RATES; HYDROCHLORIC ACID; PH VALUE; RADIOACTIVE WASTE STORAGE; REDOX REACTIONS; SPECTROPHOTOMETRY; STABILITY; TECHNETIUM CHLORIDES; TECHNETIUM COMPLEXES
- Descriptors DEC
- CHARGED PARTICLES; CHEMICAL REACTIONS; CHLORIDES; CHLORINE COMPOUNDS; COMPLEXES; DISPERSIONS; HALIDES; HALOGEN COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; IONIZING RADIATIONS; MANAGEMENT; MIXTURES; RADIATION EFFECTS; RADIATIONS; RADIOACTIVE WASTE MANAGEMENT; REFRACTORY METAL COMPOUNDS; SOLUTIONS; SPECTRA; STORAGE; TECHNETIUM COMPOUNDS; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENT COMPOUNDS; WASTE MANAGEMENT; WASTE STORAGE
Optional Information
- Notes
- 19 refs., 9 figs., 3 tabs.