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Investigation of gravity lanthanide separation chemistry

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Abstract

Lanthanides are common fission products and the ability to separate and quantify these elements is critical to rapid radiochemistry applications. Published lanthanide separations using Eichrom Ln Spec resin utilize an HCl gradient. Here it is shown that the efficacy and resolution of the separation is improved when a nitric acid gradient is used instead. The described method allows parallel processing of many samples in 1.5 h followed by 60 min counting for quantification of 9 radioisotopes of 7 lanthanide elements.

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Acknowledgment

This work was performed for the United States Department of Energy under Contract DE-AC05-76RL01830.

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Authors and Affiliations

  1. Pacific Northwest National Laboratory, 902 Battelle Blvd, P.O. Box 999, MSIN P7-02, Richland, WA, 99352, USA

    R. F. Payne, S. M. Schulte, M. Douglas, J. I. Friese, O. T. Farmer III & E. C. Finn

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  1. R. F. Payne
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  2. S. M. Schulte
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  3. M. Douglas
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  4. J. I. Friese
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  5. O. T. Farmer III
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  6. E. C. Finn
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Correspondence to E. C. Finn.

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Payne, R.F., Schulte, S.M., Douglas, M. et al. Investigation of gravity lanthanide separation chemistry. J Radioanal Nucl Chem 287, 863–867 (2011). https://doi.org/10.1007/s10967-010-0838-4

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  • DOI: https://doi.org/10.1007/s10967-010-0838-4

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