Abstract
No-carrier-added (nca) 199–201Tl has been separated from nca 199–201Pb using an environmentally friendly biocompatible polymer, poly(N-vinylpyrrolidone). The method uses no harmful chemicals and is based on the process of dialysis of PVP-Pb and PVP-Tl complexes against triple-distilled water. It has been observed after one hour of dialysis that 75–85% Tl (in both +3 and +1 oxidation states) comes out of dialysis sack without any contamination from lead.
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Lahiri, S., Sarkar, S. Separation of no-carrier-added Tl and Pb radionuclides using poly(N-vinylpyrrolidone). J Radioanal Nucl Chem 277, 513–516 (2008). https://doi.org/10.1007/s10967-007-7075-5
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DOI: https://doi.org/10.1007/s10967-007-7075-5