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Concentration of U and Np from Pu and Pu Alloys for Determination by X-ray Fluorescence

Published online by Cambridge University Press:  06 March 2019

J. M. Hansel ,
C. J. Martell ,
G. B. Nelson  and
E. A. Hakkila
J. M. Hansel
Affiliation:
University of California Los Alamos Scientific Laboratory Los Alamos, NM 87545
C. J. Martell
Affiliation:
University of California Los Alamos Scientific Laboratory Los Alamos, NM 87545
G. B. Nelson
Affiliation:
University of California Los Alamos Scientific Laboratory Los Alamos, NM 87545
E. A. Hakkila
Affiliation:
University of California Los Alamos Scientific Laboratory Los Alamos, NM 87545
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Abstract

Methods are presented for the determination of uranium, or uranium and neptunium, in plutonium metal and plutonium alloys. Anion exchange or a combination of anion exchange - solvent extraction is used to concentrate the elements for x-ray fluorescence analysis, depending upon the impurities present and the elements to be determined. The precision for determining between 3 and 250 μg of uranium or neptunium ranges “between 30 and 2%.

Type
X-Ray Fluorescence
Information
Advances in X-Ray Analysis , Volume 20: Twenty-Fifth Annual Conference on Applications of X-ray Analysis, August 4-6, 1976 , 1976 , pp. 445 - 452
Copyright
Copyright © International Centre for Diffraction Data 1976

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References

1. Hayden, J. A. “Determination of Uranium in Electro-Refined Plutonium “by a Combined Ion-Exchange and X-Ray Fluorescence Technique,” Talanta, 14., 721–729 (1967).Google Scholar
2. Gardner, R. D. and Ashley, W. H., “The Spectrophotometrie Determination of Trace Amounts of Uranium in High Purity Plutonium Metal,” U. S. Atomic Energy Comm. Rept. LA-3551 (1966).Google Scholar
3. Koski, N. L., Gardner, R. D., and Waterbury, G. R., “Spectrophotometric Measurement of Uranium in Plutonium Oxide,” U. S. Atomic Energy Comm. Rept. LA-5490 (1974).Google Scholar
4. Bryan, R. G. and Waterbury, G. R., “The Spectrophotometric Determination of Neptunium,” U. S. Atomic Energy Comm. Rept. LA-4061 (1969).Google Scholar