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Isotopic ratios and effective power determined by gamma-ray spectroscopy vs mass spectroscopy for molten salt extraction residues [electronic resource].

Published
Washington, D.C : United States. Dept. of Energy. Office of the Assistant Secretary for Defense Programs, 1990.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (16 pages) : digital, PDF file
Additional Creators
Los Alamos National Laboratory, United States. Department of Energy. Office of the Assistant Secretary for Defense Programs, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Impure plutonium metal is routinely processed by molten salt extraction (MSE) to reduce the amount of americium in the metal product. Throughput at various facilities where similar processes are performed has made it essential to evaluate uncertainties and possible discrepancies in the analyses of these difficult MSE materials. In an effort to evaluate the plutonium isotopic ratios and americium concentrations obtained from gamma-ray spectral data analyzed by the computer code GRPAUT, measurements were made on ten MSE salts as received and after pulverization and blending. These results were then compared to the specific powers obtained from isotopic ratios determined by mass spectrometry on these same ten samples. Americium values ranged from a few thousand parts-per-million of total plutonium to greater than 50,000 ppM. Our results indicate a small discrepancy between specific powers as determined by GRPAUT on as received'' vs pulverized and blended MSE salts. The specific powers obtained via GRPAUT on the pulverized salts agree somewhat better with specific powers obtained from the mass spectroscopy data. This work may indicate that a small discrepancy exists in the specific powers by using GRPAUT on heterogeneous, high americium samples. 5 refs., 6 tabs.
Report Numbers
E 1.99:la-ur-90-2384
E 1.99: conf-9007106--39
conf-9007106--39
la-ur-90-2384
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Note
Published through SciTech Connect.
01/01/1990.
"la-ur-90-2384"
" conf-9007106--39"
"DE90014913"
Institute of nuclear materials management conference, Los Angeles, CA (USA), 15-18 Jul 1990.
Sedlacek, W.A.; Long, S.M.; Cremers, T.L.; Hurd, J.R.; Longmire, V.L.; Scarborough, A.M.
Funding Information
W-7405-ENG-36
View MARC record | catkey: 14417958