Abstract
A method was developed for simultaneous production of neutron-deficient Ni and Ir isotopes by irradiation of stacked targets with a 50.5 MeV proton beam, followed by radiochemical separations to remove excess target material. The target, irradiation configuration, and post-irradiation radiochemical separations were developed and tested in a proof-of-principle irradiation. Radiochemical yields and purity of the products are discussed. The stacked target method, developed herein, can be used to produce other isotope pairs with appropriate beam tailoring.
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Acknowledgements
This work was funded by the Defense Threat Reduction Agency (DTRA). We thank PNNL staff Tom Brewer for assistance with helium leak checks, Ty Buckendorf and Ron DelMar for logistics support, Truc Trang-Le for gamma counting assistance, and Edgar Buck for energy dispersive spectrometry. This document is PNNL-SA-178600. The authors declare that there is no known financial or personal conflict of interest that could have influenced the preparation of this paper.
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Morrison, E.C., Morrison, S.S., Bowen, J.M. et al. Stacked target irradiations and radiochemical separations for simultaneous production of short-lived Ni and Ir isotopes. J Radioanal Nucl Chem 332, 2533–2542 (2023). https://doi.org/10.1007/s10967-023-08917-1
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DOI: https://doi.org/10.1007/s10967-023-08917-1