Radiochemical Separation of Group 5 Elements. Model Experiments for Investigation of Dubnium Chemical Behaviour
Journal Article
·
· AIP Conference Proceedings
- Flerov Laboratory of Nuclear Reactions (FLNR), JINR, Dubna RU-141980 (Russian Federation)
- Paul Scherrer Institute (PSI), Villigen CH-5232 (Switzerland)
Chemical behaviour of group 5 elements in the aqueous hydrofluoric acid solutions was studied. The radiochemical method for the cation exchange separation of Nb (Pa) and Ta from Zr, Hf and lanthanides is presented. The developed scheme allows excluding of the presence of SF heavy actinides in fractions of separated elements. On the basis of the data of the present work, it is possible to suggest the following order of the stability of the fluoride complexes of group 4 and 5 elements: Nb {approx_equal} Pa > Zr > Hf > Ta. The order of the complex formation is in agreement with theoretical predictions. This analytical procedure can be used in future heavy nuclei synthesis experiments for the separation of dubnium (Db) from other reactions products and for its chemical identification.
- OSTI ID:
- 21061807
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 912; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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