The production of 103Pd and 109Cd from a proton irradiated tandem natAg/natAg targets |
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| Authors: | C Ineza C Naidoo C Vermeulen J Mphahlele |
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| Institution: | 1. iThemba LABS, P.O. Box 722, Somerset West, Cape Town, 7129, South Africa
2. Chemistry Department, University of South Africa, P.O. Box 392, Pretoria, 0003, South Africa
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| Abstract: | This paper describes a new method for the production of 103Pd and 109Cd using the 66 MeV proton beam of iThemba LABS on a tandem natural silver target (Ag/Ag). The radiochemical separation of the Pd radionuclides (103Pd, 100Pd) from the bulk natAg was done using a Chelex-100 chelating resin column. The recovery of 103Pd from the irradiated natAg target was found to be >98 % without any Ag or Rh impurities detected. The radiochemical separation of 109Cd from the bulk natAg target was done by the precipitation of Ag ions by Cu followed by the separation of 109Cd, traces of Ag, Cu2+ and Rh using a AG1-X10 anion exchange resin column. The recovery yield of 109Cd was >99 % without any Ag or Rh impurities detected. |
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