Measurement of radionuclides in waste packages

Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Fuel assay

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376157, G21C 1700

Patent

active

046171690

ABSTRACT:
A method is described for non-destructively assaying the radionuclide content of solid waste in a sealed container by analysis of the waste's gamma-ray spectrum and neutron emissions. Some radionuclides are measured by characteristic photopeaks in the gamma-ray spectrum; transuranic nuclides are measured by neutron emission rate; other radionuclides are measured by correlation with those already measured.

REFERENCES:
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patent: 4497768 (1985-02-01), Caldwell et al.
patent: 4510117 (1985-04-01), Phillips et al.
Nuc. Tech., vol. 29 (5/76), pp. 239-248, Tasaka, "Estimation of Irradiation History of Spent Fuel . . . ".
LA-4315-MS (3/70), Keepin, ed., pp. 4-27, "Nuclear Safeguards Research & Development".
Nucl. Inst. & Meth., vol. 220, Nos. 2, 3, Mar. 1, 1984, Close et al., pp. 531-536.

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