Standard method of test for atom percent fission in uranium and plutonium fuel (mass spectrometric method)

Journal Article · Wed Jan 01 04:00:00 EST 1975 · Annu. Book ASTM Stand.; (United States)

OSTI ID:7193475

A method is described for the determination of the heavy element atom percent fission in irradiated U fuel with initial Pu content of from 0 to 50 percent from the isotopic content of the fuel before and after irradiation. The method is restricted to samples where accurate preirradiation isotopic analysis can be obtained, and both analyses should be performed on the same instrument under similar conditions. Atomic ratios of the isotopes /sup 235/U, /sup 236/U , /sup 239/Pu, /sup 240/Pu, /sup 241/Pu, and /sup 242/Pu to /sup 238/U are determined by mass spectrometry. The atom percent fission attributed to fission of /sup 235/U, /sup 238/U, and /sup 241/Pu is separately calculated and then summed to obtain the total heavy element atom percent fission. The calculations for the determination are explained in detail. (BLM)

• OSTI ID: 7193475
• Journal Information: Annu. Book ASTM Stand.; (United States), Journal Name: Annu. Book ASTM Stand.; (United States) Vol. 45; ISSN ASTSA
• Country of Publication: United States
• Language: English

Related Subjects

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ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ACTINIDES
ALPHA DECAY RADIOISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BURNUP
ELEMENTS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FUEL ELEMENTS
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MASS SPECTROSCOPY
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
PLUTONIUM
PLUTONIUM 239
PLUTONIUM 240
PLUTONIUM 241
PLUTONIUM 242
PLUTONIUM ISOTOPES
RADIOISOTOPES
REACTOR COMPONENTS
SPECTROSCOPY
TRANSURANIUM ELEMENTS
URANIUM
URANIUM 235
URANIUM 236
URANIUM 238
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES