Abstract
57Co and 109Cd simultaneous production was studied, using composite targets of natNi and natAg. The targets were irradiated at the CV-28 Cyclotron, with proton beams of 24 MeV. The average production yields of 57Co and 109Cd were 1179.93 kBq/μA·h, produced by direct and indirect reactions (11.31 days after the EOB) and 71.41 kBq/μA·h (EOB), respectively. The chemical separation procedure was developed in order to obtain a mixed calibration source of 57Co and 109Cd, with a separation yield higher than 80%. The gamma spectroscopy technique was used for the radioactive analysis, using a HPGe detector. The stable elements were identified by atomic absorption spectrophotometry.
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