Methods for gas-phase thermochromatographic separations of fission and activation products

Auxier, II, John D.; Hanson, Daniel V.; Marsh, Matthew L.; Hall, Howard L.

Title: Methods for gas-phase thermochromatographic separations of fission and activation products

Patent · Tue Apr 24 00:00:00 EDT 2018

OSTI ID:1532083

Auxier, II, John D.; Hanson, Daniel V.; Marsh, Matthew L.; Hall, Howard L.

Methods are provided for characterizing samples containing chemical elements such as rare earth elements, actinides, and heavy transition metals by treating the samples to form volatile complexes of the elements (e.g., β-diketonate complexes or other organic ligand complexes of the elements) and then analyzing the complexes, for example, via gas-phase thermochromatography. Also provided are methods for separating and/or recovering such chemical elements. The methods produce less waste and can be performed more rapidly than conventional liquid extraction methods and can provide separated elements of high purity (e.g., 99.9999% purity).

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Research Organization:: Univ. of Tennessee, Knoxville, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: NA0001983

Assignee:: University of Tennessee Research Foundation (Knoxville, TN)

Patent Number(s):: 9,951,398

Application Number:: 14/807,463

OSTI ID:: 1532083

Resource Relation:: Patent File Date: 2015-07-23

Country of Publication:: United States

Language:: English

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