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Atom-at-a-time radiochemical separations of the heaviest elements: Lawrencium chemistry

  • Radiochemical Separation and Tracer Techniques
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Abstract

The isotope260Lr, produced in reactions of18O with249Bk, was used to perform chemical experiments on lawrencium to learn more about its chemical properties. These experiments involved extractions with thenoyl trifluoroacetate, elutions from cation exchange resin columns with ammonium alpha-hydroxyisobutyrate, and reverse-phase chromatography using hydrogen di(2-ethylhexyl) orthophosphoric acid to investigate the chemical properties of Lr. The results from the elutions gave information about the ionic radius of Lr(III) which was found to elute very close to Er. An attempt to reduce Lr(III) with hydroxylamine hydrochloride was unsuccessful.

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Author notes

  1. S. Cai (Visiting scientist)

    Present address: Radioisotope Division, Institute of Atomic Energy, P.O. Box 275(66), Beijing, China

Authors and Affiliations

  1. Nuclear Science Division, Lawrence Berkeley Laboratory, 94720, Berkeley, CA, (USA)

    D. C. Hoffman, R. A. Henderson, K. E. Gregorich, D. A. Bennett, R. M. Chasteler, C. M. Gannett, H. L. Hall, D. M. Lee, M. J. Nurmia, S. Cai (Visiting scientist), R. Agarwal, A. W. Charlop, Y. Y. Chu & G. T. Seaborg

  2. Nuclear Chemistry Division, Lawrence Livermore National Laboratory, P.O. Box 809, 94550, Livermore, CA, (USA)

    R. J. Silva

Authors
  1. D. C. Hoffman
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  2. R. A. Henderson
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  3. K. E. Gregorich
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  4. D. A. Bennett
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  5. R. M. Chasteler
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  6. C. M. Gannett
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  7. H. L. Hall
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  8. D. M. Lee
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  9. M. J. Nurmia
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  10. S. Cai
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  11. R. Agarwal
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  12. A. W. Charlop
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  13. Y. Y. Chu
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  14. G. T. Seaborg
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  15. R. J. Silva
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Hoffman, D.C., Henderson, R.A., Gregorich, K.E. et al. Atom-at-a-time radiochemical separations of the heaviest elements: Lawrencium chemistry. Journal of Radioanalytical and Nuclear Chemistry, Articles 124, 135–144 (1988). https://doi.org/10.1007/BF02035512

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  • DOI: https://doi.org/10.1007/BF02035512

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