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Journal of Radioanalytical and Nuclear Chemistry

, Volume 302, Issue 1, pp 217–224 | Cite as

Mechanism of sorption of pertechnetate onto ordered mesoporous carbon

  • Đ. Petrović
  • A. Đukić
  • K. Kumrić
  • B. Babić
  • M. Momčilović
  • N. Ivanović
  • Lj. Matović
Article

Abstract

Ordered mesoporous carbon (OMC) was used as an adsorbent for the removal of pertechnetate (TcO4 ) anion. The maximum uptake (93 %) of TcO4 was obtained after 60 min of contact. The adsorption of TcO4 is almost pH-independent in very wide pH region (from 4.0 to 10.0). Maximum K d of 6.6 × 103 cmg−1 was found at pH 2.0. TcO4 interacts with carboxylic functional groups present at the surface of the OMC by displacing the OH ions with TcO4 via ion exchange mechanism.

Keywords

Technetium-99 Adsorption Ordered mesoporous carbon Surface functional groups 

Notes

Acknowledgments

We acknowledge the support to this work provided by the Ministry of Education and Science of Serbia through the project No. III 45012.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Đ. Petrović
    • 1
  • A. Đukić
    • 1
  • K. Kumrić
    • 1
  • B. Babić
    • 1
  • M. Momčilović
    • 1
  • N. Ivanović
    • 1
  • Lj. Matović
    • 1
  1. 1.Vinča Institute of Nuclear SciencesUniversity of BelgradeBelgradeSerbia

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