1,10-Phenantroline complex of iron(II) nitrate: the challenging salt for the technetium precipitation from nitric acid solutions

  • Tatiana A. Boytsova
  • Andrey A. Murzin
  • Vasiliy A. Babain
  • Aleksander A. Lumpov
  • Uriy L. Kretser
Article

Abstract

The possibility of Tc precipitation with organic complexes of Fe(II) from nitric acid solutions was studied. Ferroin nitrate (o-phenantroline complex of iron(II)) was chosen as the optimal precipitant for the TcO4 immobilization. The conditions for maximum Tc yield (93 ± 5 %) were determined and the composition of formed sediments was studied. Fe–Tc matrix can be obtained by thermal treatment of the formed sediments in the reductive atmosphere. The process of thermal treatment of the precipitates was studied. The obtained Fe–Tc matrix was tested for Tc leaching and showed a high resistance to the environment.

Keywords

Tc Precipitation Iron(II) complexes o-Phenantroline Matrix 

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Tatiana A. Boytsova
    • 1
  • Andrey A. Murzin
    • 1
  • Vasiliy A. Babain
    • 2
  • Aleksander A. Lumpov
    • 1
  • Uriy L. Kretser
    • 1
  1. 1.OJSC “Khlopin Radium Institute”Saint-PetrsburgRussia
  2. 2.ITMO UniversitySaint-PetrsburgRussia

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