Method and apparatus for measuring uranium isotope enrichment

Details Method and apparatus for measuring uranium isotope enrichment Method and apparatus for measuring uranium isotope enrichment

1984-03-15

1986-12-16

Cangialosi, Salvatore

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Fuel assay

376157, G21C 1706

Patent

active

046296000

ABSTRACT:
A method and apparatus for measuring uranium isotope enrichment in a sample uranium solution. In the invention, the concentration of uranium in the uranium solution is determined by K-edge densitometry. The quantity of uranium-235 in the uranium solution is then measured by detecting the gamma rays emitted from the uranium-235 by using a high-purity germanium detector. A value of the uranium isotope enrichment is obtained from the ratio of the quantity of uranium-235 in the uranium solution to the uranium concentration. The invention is designed to provide the improved construction of a radiation source suitable for the K-edge densitometry and to provide the accurate measurements by correcting any error in the measured quantity of uranium-235 in the uranium solution due to the self-absorption of the gamma rays emitted from the uranium-235.

REFERENCES:
patent: 4031388 (1977-06-01), Morita et al.
patent: 4229654 (1980-10-01), Arya et al.
patent: 4497768 (1985-02-01), Caldwell et al.

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