Interaction of elemental mercury with selenium surfaces: model experiments for investigations of superheavy elements copernicium and flerovium

Journal of Radioanalytical and Nuclear Chemistry volume 311, pages99–108(2017)Cite this article

Abstract

The adsorption behavior of 197Hg and 183–185Hg on red amorphous selenium (red a-Se) and trigonal selenium (t-Se) was investigated experimentally by off-line and on-line gas chromatographic methods, in preparation of a sensitive chemical separation and characterization of the transactinides copernicium (Cn, Z = 112) and flerovium (Fl, Z = 114). Monte-Carlo simulations of a diffusion controlled deposition were in good agreement with the experimental results, assuming as interaction limits −ΔH red a-Seads (Hg) > 85 kJ/mol, and −ΔH t-Seads (Hg) < 60 kJ/mol. Both Se allotropes can be used as stationary surfaces in comparative gas-chromatographic chemical investigations of Cn and Fl.

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Affiliations

  1. Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland

    N. M. Chiera, R. Dressler, R. Eichler, D. Piguet, P. Steinegger, A. Türler & A. Vögele

  2. Laboratory of Radiochemistry, Paul Scherrer Institute, Villigen PSI Ost, 5232, Villigen, Switzerland

    N. M. Chiera, R. Eichler, P. Steinegger & A. Türler

  3. Flerov Laboratory of Nuclear Reactions, Joint Institute Nuclear Research, 141980, Dubna, Moscow Region, Russia

    N. V. Aksenov, Y. V. Albin, G. A. Bozhikov, V. I. Chepigin, S. N. Dmitriev, V. Ya. Lebedev, A. Madumarov, O. N. Malyshev, Y. A. Popov, A. V. Sabelnikov, A. I. Svirikhin, G. K. Vostokin & A. V. Yeremin

  4. Institute for Advanced Physical Studies, New Bulgarian University, Montevideo Street 21, 1618, Sofia, Bulgaria

    G. A. Bozhikov

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  1. N. M. Chiera
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  5. V. I. Chepigin
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Correspondence to R. Eichler.

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Chiera, N.M., Aksenov, N.V., Albin, Y.V. et al. Interaction of elemental mercury with selenium surfaces: model experiments for investigations of superheavy elements copernicium and flerovium. J Radioanal Nucl Chem 311, 99–108 (2017). https://doi.org/10.1007/s10967-016-5018-8

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Keywords

  • Mercury
  • Adsorption
  • Selenium surface
  • Isothermal gas chromatography
  • Superheavy elements
  • Model experiments for Cn and Fl