Authors:
H. Hoshi Nuclear Chemistry and Chemical Engineering Center, Institute of Research and Innovation 1201, Takada, Kashiwa 277-0861 Chiba Japan

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Y. Wei Nuclear Chemistry and Chemical Engineering Center, Institute of Research and Innovation 1201, Takada, Kashiwa 277-0861 Chiba Japan

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M. Kumagai Nuclear Chemistry and Chemical Engineering Center, Institute of Research and Innovation 1201, Takada, Kashiwa 277-0861 Chiba Japan

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T. Asakura Tokai Research Institute, Japan Atomic Energy Research Institute Department of Fuel Cycle Safety Tokai-mura, Naka-gun 319-1195 Ibaraki Japan

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Y. Morita Tokai Research Institute, Japan Atomic Energy Research Institute Department of Fuel Cycle Safety Tokai-mura, Naka-gun 319-1195 Ibaraki Japan

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Abstract  

Electroreduction of Tc(VII) was studied in nitric acid solution using glassy carbon electrode. The electroreduction was conducted at a constant potential –300 mV (vs. Ag/AgCl) with a potentiostat. It was found that the difference of the Tc concentration in the solutions before and after the electrolysis was negligibly small. This means that there were almost no TcO2 or Tc deposited on the carbon fiber electrode during the electroreduction. Absorption spectra and distribution coefficients obtained by ion-exchange analysis indicated that Tc(VII) was reduced to Tc(IV).

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)