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

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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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