Abstract
We studied solid–liquid extraction behavior of carrier-free Mo and W radiotracers onto an Aliquat 336-loaded resin from HCl solutions toward extraction chromatography experiments of element 106, seaborgium (Sg). Distribution coefficients (K d) of Mo and W on the resin were determined as a function of HCl concentration by a batch method. On-line extraction chromatography of Mo and W was also carried out in 2–8 M HCl solutions with an automated rapid chemistry apparatus. The order of extraction probability from 2 to 8 M HCl was Mo > W, which reflected the order of the K d values in the batch experiment.
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Acknowledgments
A part of this work was performed at the RI Beam Factory operated by RIKEN Nishina Center and CNS, University of Tokyo. We express our gratitude to the crew of the RIKEN AVF cyclotron for their invaluable assistance in the course of these experiments. We also thank the crew of the AVF cyclotron of RCNP for the production of the radiotracer 181W.
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Komori, Y., Yokokita, T., Kasamatsu, Y. et al. Solid–liquid extraction of Mo and W by Aliquat 336 from HCl solutions toward extraction chromatography experiments of Sg. J Radioanal Nucl Chem 303, 1385–1388 (2015). https://doi.org/10.1007/s10967-014-3476-4
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DOI: https://doi.org/10.1007/s10967-014-3476-4