Precision of a plutonium analytical method using solvent extraction and spectrophotometry |
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| Authors: | P. G. Mendoza Jr. D. D. Jackson T. M. Niemczyk |
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| Affiliation: | (1) Chemical and Laser Sciences Division, Los Alamos National Laboratory, 87 545, 505-667-4088 Los Alamos, NM, (USA);(2) Department of Chemistry, University of New Mexico, 87131 Albuquerque, NM, (USA) |
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| Abstract: | We investigated the plutonium assay method that uses the plutonyl trinitrate tetrapropyl-ammonium ion-pair solvent extraction with spectrophotometry of the extract as a candidate method capable of providing robustness and precision. To identify and assess the effect of factors on the precision, we looked at sampling techniques, silver oxide oxidation conditions extraction time, extract stability, and temperature dependence of the extract analytical peak height and position. We obtained a precision of 0.12%. |
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