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Cyclotron isotopes and radiopharmaceuticals XXVI. A carrier-free separation of77Br from se

  • Analytical Control of Radiopharmaceuticals Section
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Abstract

A silver chloride co-precipitation and ion exchange separation method is described for the carrier-free isolation of77Br bromide from isotopically enriched77Se targets following dissolution of the irradiated77Se in nitric acid. A cation exchange procedure has been devised to remove the silver and yield a dilute hydrochloric acid solution containing ≈90% of the precipitated77Br as bromide. The radiochemical and chemical composition of several preparations have been analyzed. A method for the quantitative recovery of the isotopically enriched selenium is described.

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Authors and Affiliations

  1. Chemistry Department, Brookhaven National Laboratory, 11973, Upton, NY, (USA)

    E. F. Norton, K. Kondo, K. Karlstrom & A. P. Wolf

  2. Children's Hospital, Harvard Medical School, 02115, Boston, MA, (USA)

    R. M. Lambrecht & S. Treves

Authors
  1. E. F. Norton
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  2. K. Kondo
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  3. K. Karlstrom
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  4. R. M. Lambrecht
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  5. A. P. Wolf
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  6. S. Treves
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Additional information

Research carried out under contract with the U.S. Department of Energy and supported by its Division of Basic Energy Sciences. Supported in part by the Massachusetts Heart Association and by NIH Grant No. HL 18487-01.

All inquiries should be directed to R. M. Lambrecht. For earlier papers in this series see Ref.12

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Norton, E.F., Kondo, K., Karlstrom, K. et al. Cyclotron isotopes and radiopharmaceuticals XXVI. A carrier-free separation of77Br from se. J. Radioanal. Chem. 44, 207–213 (1978). https://doi.org/10.1007/BF02517691

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  • DOI: https://doi.org/10.1007/BF02517691

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