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Journal of Radioanalytical and Nuclear Chemistry

, Volume 300, Issue 3, pp 1151–1158 | Cite as

Preparation of pure TiO2 sorption material

  • I. Špendlíková
  • J. Raindl
  • M. Němec
  • P. Steier
  • P. Mičolová
Article

Abstract

Determination of 236U/238U at natural ratios using accelerator mass spectrometry (AMS) requires overall purity of each step in the sample preparation procedures which are complex and include various chemicals. Therefore, the simplification of the procedures is desirable and can be done by implementing other effective separation materials. Among the prospective sorption materials, hydrated titanium dioxides showed promising properties for uranium extraction from various water samples. This paper shows the preparation of several titanium based sorption materials using an organic precursor and their characterization with several techniques in order to analyse crystal structure (XRPD, SEM, HRTEM, SAED) and residues of organic compounds (TG analysis and IR spectroscopy) and to quantify their sorption properties towards uranium. The practical sorption capacity of one of the prepared materials was as high as 260 mg of uranium per gram. AMS measurements showed that it is possible to prepare sufficiently pure titanium dioxides for the determination of 236U/238U ratio.

Keywords

Titanium dioxide Uranium AMS Sorption 

Notes

Acknowledgments

This research has been supported by the Grant Agency of the Czech Technical University in Prague, Grant No. SGS 11/164/OHK4/3T/14, by the MIT CR under Grant No. FR-TI3/245, by the MEYS CR under Grants No. MSM 6840770040, 7AMB12AT022 and CZ14/2012. Special thanks to MSc. Jan Bárta and MSc. Tereza Pavelkova in XRD analyses, to Dr. Jakubec in SEM/TEM analyses, Dr. Martin Vlk in IR analyses and to Drs. Kesner and Pasztor (NICOLET CZ) for special services in IR instrumentation.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • I. Špendlíková
    • 1
  • J. Raindl
    • 1
  • M. Němec
    • 1
  • P. Steier
    • 2
  • P. Mičolová
    • 1
  1. 1.Department of Nuclear Chemistry, Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PraguePrague 1Czech Republic
  2. 2.Faculty of Physics, Isotope Research and Nuclear PhysicsUniversity of ViennaViennaAustria

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