Abstract
82Sr is of interest in nuclear medicine as the generator of its short-lived daughter, 82Rb. Experimentation has begun at the Clinton P. Anderson Meson Physics Facility, and spallation reactions have been induced in Mo targets with 200–600 MeV protons to produce microcurie amounts of a variety of radionuclides. A six-step radiochemical procedure, incorporating precipitation, solvent extraction, and ion exchange techniques, has been developed for the separation and purification of Sr radioactivities from other spallation products and the bulk target material. γ-Ray spectrometry was used for isotope characterization, and chemical yields of ten different spallation-induced radioelements were determined for this analytical scheme. Radiostrontium can be quantitatively recovered in a sufficiently decontaminated state for use in biomedical generator development, and this procedure is being scaled up to a hot cell operation for actual production irradiations.
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