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Abstract
The reaction of iodine with various metal oxides has been studied in both vapour phase (373–873 K) and in solution in cyclohexane, under anhydrous conditions. The course of the reaction has been revised in accordance with literature and experimental data. Apart from adsorbed iodine molecules ([I2] < 200 μmol·g–1), the presence of I– ions ([I–] < 50 μmol·g–1) has been noted. IOn– ions have been observed only when both water and strong basic sites, such as those on MgO or La2O3, are present. It has been found that the strength of interaction of iodine with metal oxide increases with basicity of the oxide.
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Affiliation(s)
- Marek Gliński
- Warsaw University of Technology (Politechnika), Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Urszula Ulkowska
- Warsaw University of Technology (Politechnika), Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
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