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Evaluation of two extraction chromatography resins for scandium and titanium separation for medical isotope production

Journal Article · · Journal of Radioanalytical and Nuclear Chemistry
Scandium-47 (47Sc) can be used in nuclear medicine as a therapeutic-diagnostic, or "theragnostic," radioactive medical isotope for cancer detection and treatment. The 47Sc isotope can be produced through the photonuclear reaction 48Ti(γ,p)47Sc by irradiating enriched 48Ti target material. The enriched target material necessary for production is costly; 48TiO2 costs ~ $$\$$$$1550/g, and targets can be > 50 g ($$\$$$$77,500) to produce medically relevant amounts of 47Sc. In order to keep costs low, a highly efficient separation of scandium from bulk titanium is desired, along with efficient methods for recycling the target material. Here this research is focused on evaluating efficient methods for the separation of scandium from bulk quantities of titanium using commercially available diglycolamide-based and hydroxamate-based extraction chromatography resins (DGA resin and ZR resin, respectively). The sorption of 47Sc and Ti on these resins were investigated at varying concentrations of HNO3, HCl, H2SO4, and HF to explore how they might be used in a large-scale production/processing setting.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1991244
Journal Information:
Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 3 Vol. 332; ISSN 0236-5731
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (9)


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