Published December 2005 | Version v1
Journal article

Chemical behaviour of Tc(IV) complexes under alpha irradiation in chloride media

  • 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)

Optional Information

Notes
19 refs., 9 figs., 3 tabs.