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 −ΔHads red a-Se(Hg) > 85 kJ/mol, and −ΔHads t-Se(Hg) < 60 kJ/mol. Both Se allotropes can be used as stationary surfaces in comparative gas-chromatographic chemical investigations of Cn and Fl.
| Original language | English |
|---|---|
| Pages (from-to) | 99-108 |
| Number of pages | 10 |
| Journal | Journal of Radioanalytical and Nuclear Chemistry |
| Volume | 311 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2017 |
Keywords
- Adsorption
- Isothermal gas chromatography
- Mercury
- Model experiments for Cn and Fl
- Selenium surface
- Superheavy elements
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