Separation of carrier-free111In formed in the12C+Rh reaction |
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| Authors: | S. V. Thakare A. G. C. Nair S. Chakrabarty B. S. Tomar |
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| Affiliation: | (1) Isotope Division, Bhabha Atomic Research Centre, 400 085 Mumbai, India;(2) Radiochemistry Division, Bhabha Atomic Research Centre, 400 085 Mumbai, India |
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| Abstract: | An alternative reaction route for the production of111In from rhodium target bombarded with a12C beam has been developed. Sulfate fusion was adapted for dissolution of the irradiated rhodium metal target. Indium was coprecipitated with La(OH)3 and purified by solvent extraction of the InBr3 complex into di-isopropyl ether and back extraction in 6M HCl. The chemical yield of the separation, determined using105Rh as tracer, was found to be above 90%. The radionuclidic purity of the separated111In satisfies the requirement prescribed for radiopharmaceutical preparations. The radioactivity yield achieved using this route was about 0.2 MBq/μAh. |
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