Bibliographic Details
| Title: |
Transport behaviour of the lanthanide Eu(III), Gd(III) and Tm(III) and transplutonium element Es(III), Cm(III), Am(III), Cf(III) and Bk(III) ions in aqueous solutions at 298 K. |
| Authors: |
Ouerfelli, N., Das, D.1 debu_nbu@rediffmail.com, Latrous, H.2, Ammar, M.2, Oliver, J.3 |
| Source: |
Journal of Radioanalytical & Nuclear Chemistry. Apr2014, Vol. 300 Issue 1, p51-55. 5p. |
| Subjects: |
Rare earth metals, Transplutonium elements, Aqueous solutions, Metal ions, Diffusion coefficients, Radioactive tracers |
| Abstract: |
Ionic self-diffusion coefficients ( D) for trivalent radiotracers, lanthanide and actinide ions have been determined in concentrated aqueous solutions of supporting electrolytes of Gd(NO)-HNO or Nd(ClO)-HClO up to 1.5 mol L at 298.15 K and pH 2.50 by the open-end capillary method. The data obtained in large range of concentrations, allow to derive the limiting value D°, the validity of the Onsager limiting law and a more extended law. This study contributes to demonstrate similarities in transport and structure properties between 4f and 5f trivalent ions explained by a similar electronic configuration, ionic radius and hydration number. An empirical equation is suggested for predicting ionic hydration number with a good precision. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
