Abstract
Mercury extraction has been studied in nitric and hydrochloric acids with hexathia-18-crown-6 dissolved in carbon tetrachloride. Batch study experiments have been performed to determine the best conditions for maximum extraction. In both acids, Hg(II) was best extracted at low molarity while almost no extraction was observed above 2 M. Speciation studies were carried out in an attempt to describe the extraction mechanism, but the exact composition of the extracted species was not determined. The extraction kinetics were studied to assess the feasibility of this crown ether for extracting Cn and/or Fl in a future online experiment.
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Acknowledgements
This study was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. This work was funded by the Laboratory and Development Program at LLNL under project tracking code 19-ERD-003. This material is based upon work supported by the Department of Energy National Nuclear Security Administration through the Nuclear Science and Security Consortium under Award Number DE-NA0003180. The authors would like to thank the CAMS facility staff at LLNL, specifically Scott Tumey, Thomas Brown and Grahm Bench for providing beam time and expertise to the production of radionuclides used in this study.
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Ferrier, M.G., Kmak, K.N., Kerlin, W.M. et al. Transactinide studies with sulfur macrocyclic extractant using mercury. J Radioanal Nucl Chem 326, 215–222 (2020). https://doi.org/10.1007/s10967-020-07320-4
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DOI: https://doi.org/10.1007/s10967-020-07320-4