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Electromigration of carrier-free radionuclides

XIV. Complex formation of241Am-Am(III) with oxalate and sulfate in aqueous solution

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Abstract

Using a special type of on-line electromigration measurements of γ-emitting radio-nuclides in homogeneous aqueous electrolytes free of supporting material, complex formation of carrier-free241Am-Am(III) has been studied in perchlorate electrolytes, T=298.1 (1) K. Stoichiometric stability constants for oxalate ligand of log K1=5.01 (13), 5.11 (13) and 5.38 (18) as well as log K2=3.15 (15), 3.19 (14) and 3.58 (26) were obtained at the overall ionic strength of μ=0.10, 0.05 and 0.01, respectively. The corresponding thermodynamic stability constants are log K 01 =5.90 (15) and log K 02 =3.73 (18). The sulfate ligand values of log K1=2.5 (2) were obtained both in acidic and neutral solutions, μ=0.10.

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Authors and Affiliations

  1. JINR, Dubna, USSR

    F. Rösch, V. Buklanov, M. Milanov & V. A. Khalkin

  2. Department of Chemistry, Dresden University of Technology, GDR

    T. Reimann & R. Dreyer

Authors
  1. F. Rösch
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  2. T. Reimann
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  3. V. Buklanov
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  4. M. Milanov
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  5. V. A. Khalkin
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  6. R. Dreyer
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Additional information

Present address: Central Institute of Nuclear Research, Rossendorf, GDR, 8051 Dresden, PSF 19, Department of Radioactive Isotopes.

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Rösch, F., Reimann, T., Buklanov, V. et al. Electromigration of carrier-free radionuclides. Journal of Radioanalytical and Nuclear Chemistry, Articles 140, 159–169 (1990). https://doi.org/10.1007/BF02037373

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  • DOI: https://doi.org/10.1007/BF02037373

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