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Stability constants of At(I)-complexes with thiourea, iodide and mixed ligands in ethanol and water

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Abstract

The ion mobilities of [211At] At(I) in dependence on thiourea (tu) concentration, iodide concentration and a mixture of both ligands were measured by the electromigration method in free electrolytes. An equilibrium model was developed for the characterization of electromigration curves which permitted the calculation of stability constants and ion mobilities of the complexes [AtI], [AtI2]−, [Attu]+, [Attu2]+ and [AtItu] existing in these solutions. Ethanol and water served as solvents. The temperature was 298 K and the ionic strength was about 0.05 mol/dm3.

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Authors and Affiliations

  1. Department of Chemistry, Dresden University of Technology, Mommsenstraße 13, 8027, Dresden, (GDR)

    R. Ludwig, S. Fischer, H. Hussein, M. Frind & R. Dreyer

Authors
  1. R. Ludwig
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  2. S. Fischer
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  3. H. Hussein
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  4. M. Frind
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  5. R. Dreyer
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Ludwig, R., Fischer, S., Hussein, H. et al. Stability constants of At(I)-complexes with thiourea, iodide and mixed ligands in ethanol and water. Journal of Radioanalytical and Nuclear Chemistry, Articles 134, 141–149 (1989). https://doi.org/10.1007/BF02047277

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  • DOI: https://doi.org/10.1007/BF02047277

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