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Preparation of technetium metal by thermal treatment under argon/H2O

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Abstract

A new method for the preparation of Tc metal from pertechnetate is described. Metallic technetium was prepared from TcO −4 by initial reduction in dry argon atmosphere at 300 °C followed by a wet argon atmosphere in the presence of carbon between 700 and 910 °C. The higher temperature conditions in the presence of H2O and carbon form H2 and CO, which can drive the reduction of TcO2. This method was applied to the recovery of pertechnetate sorbed on anion-exchange resins resulting in the formation of Tc metal microspheres. The resulting Tc was characterized by XRD analysis and SEM.

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Authors and Affiliations

  1. Harry Reid Center for Environmental Studies, University of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, NV, 89154, USA

    F. Poineau, G. W. Chinthaka Silva & K. Czerwinski

  2. Idaho State University, 1776 Science Center Drive, Idaho Falls, ID, 83402, USA

    T. Hartmann

  3. G.T Seaborg Institute, Stockpile Manufacturing and Support Directorate, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA

    G. Jarvinen

Authors
  1. F. Poineau
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  2. T. Hartmann
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  3. G. W. Chinthaka Silva
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  4. G. Jarvinen
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  5. K. Czerwinski
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Correspondence to F. Poineau.

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Poineau, F., Hartmann, T., Chinthaka Silva, G.W. et al. Preparation of technetium metal by thermal treatment under argon/H2O. J Radioanal Nucl Chem 279, 43–48 (2009). https://doi.org/10.1007/s10967-007-7259-z

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  • DOI: https://doi.org/10.1007/s10967-007-7259-z

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