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A simple separation of bismuth radionuclides in a carrier-free form from lead thick targets

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Abstract

A simple preparation of radionuclides of bismuth from lead thick targets bombarded by deuterons or protons consists in precipitation of solid lead nitrate in nitric acid /a minimum radiobismuth yield 98%/, coprecipitation of bismuth with lanthanum hydroxide and chromatographic isolation of carrier-free bismuth on a cation exchanger. The total yield of radiobismuth separation was not less than 85%. On bombardment with 20 MeV deuterons the yield is 20 μCi205Bi/μAh and 200 μCi206Bi/μAh. Mass distribution coefficients for bismuth were determined on the cation exchanger OSTION LG KS 0803 in dependence on the concentration of hydrochloric acid and nitric acid.

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Vobecký, M., Těthal, T. A simple separation of bismuth radionuclides in a carrier-free form from lead thick targets. Journal of Radioanalytical and Nuclear Chemistry Letters 136, 291–297 (1989). https://doi.org/10.1007/BF02163974

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Keywords

  • Nitrate
  • Radionuclide
  • Nitric Acid
  • Hydrochloric Acid
  • Bismuth