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Methodology for the isolation and characterization of individual plutonium-bearing particles in atmospheric effluents from a nuclear processing plant

Conference ·
OSTI ID:5266590
A method for isolating and characterizing individual particles containing fissionable materials is described. Polycarbonate membrane filters are used to collect the particles from atmospheric effluents from a nuclear processing plant. Collected particles containing /sup 239/Pu or other fissionable materials are identified by fission fragment tracks produced by irradiating the polycarbonate film with thermal neutrons. Results show this method can be used to determine the size, /sup 239/Pu-content, and elemental composition of micrometer-diameter particles. Tests using this method to analyze particles containing known plutonium and uranium isotope mixtures, show that with it the quantity and isotope composition of fissionable material on a single particle can be determined.
Research Organization:
Du Pont de Nemours (E.I.) and Co., Aiken, S.C. (USA). Savannah River Lab.
DOE Contract Number:
EY-76-C-09-0001
OSTI ID:
5266590
Report Number(s):
DP-MS-77-27; CONF-771072-1
Country of Publication:
United States
Language:
English