Abstract
We performed solvent extraction of 99Mo and 181W from HCl and HCl/LiCl solutions into Aliquat 336-chloroform solutions. It is found that the extracted anionic species of Mo and W have a net charge of −1 from the logD versus log[Aliquat 336] plots. At high H3O+ concentrations, the D values in HCl were lower than those in HCl/LiCl, probably because of the protonation of anionic Mo and W species in HCl. The D values of Mo were significantly higher than those of W, suggesting that the extracted Mo and W species are different from each other and/or have different stabilities in HCl.
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Acknowledgments
This work has been carried out in part under the Visiting Researchers Program of Kyoto University Research Reactor Institute. The authors thank the staffs of RCNP Accelerator for the production of 181W.
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Yokokita, T., Ooe, K., Kasamatsu, Y. et al. Solvent extraction using carrier-free radiotracers of Mo and W from HCl and HCl/LiCl solutions into Aliquat 336. J Radioanal Nucl Chem 303, 1091–1094 (2015). https://doi.org/10.1007/s10967-014-3449-7
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DOI: https://doi.org/10.1007/s10967-014-3449-7