Abstract
The reaction cross sections and the energy dependences of the yields of 186Re in the reactions natW(d, 2n) and 186W(d, 2n) in the range of low deuteron energies (<14 MeV) were determined. The specific features of the physicochemical behavior of impurity 186Re atoms in irradiated tungsten cyclotron targets were studied in relation to the gas medium composition. The yield of the desired product increases with an increase in the oxygen content in the course of heat treatment of the targets. A simple “dry” procedure was developed for isolation of 186Re with a yield no less than 85% and radiochemical purity no worse than 99.99%. A proto-type of a cyclotron target for commercial production of the therapeutical radionuclide 186Re was suggested.
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