Distributions of $sup 134$Cs and $sup 137$Cs in the axial UO$sub 2$ blankets of irradiated (U,Pu)O$sub 2$ fuel pins
Journal Article
·
· J. Inorg. Nucl. Chem., v. 36, no. 1, pp. 17-23
OSTI ID:4389701
The axial distributions of /sup 134/Cs and /sup 137/Cs in the axial blanket column of uranium--plutonium oxide fuel pins showed that the migration properties of the precursors of these two Cs isotopes were significantly different. The isotopic distributions were directly related to the half-lives of the two principal precursors of each cesium isotope, /sup 133/I and /sup 133/Xe for /sup 134/Cs, and /sup 137/I and /sup 137/Xe for /sup 137/Cs. Both cesium isotopes preferentially collected on natural UO/sub 2/ blanket pellets having high oxygen content. (auth)
- Research Organization:
- Los Alamos Scientific Lab., NM
- NSA Number:
- NSA-29-010611
- OSTI ID:
- 4389701
- Journal Information:
- J. Inorg. Nucl. Chem., v. 36, no. 1, pp. 17-23, Journal Name: J. Inorg. Nucl. Chem., v. 36, no. 1, pp. 17-23; ISSN JINCA
- Country of Publication:
- United Kingdom
- Language:
- English
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Related Subjects
*BREEDING BLANKETS-- FISSION PRODUCTS
*FISSION PRODUCTS-- DIFFUSION
*FUEL PINS-- PHYSICAL RADIATION EFFECTS
*PLUTONIUM OXIDES-- FISSION PRODUCTS
*URANIUM DIOXIDE-- FISSION PRODUCTS
ADSORPTION
CESIUM 134
CESIUM 137
DAUGHTER PRODUCTS
ENRICHED URANIUM
FISSION
FUEL PELLETS
IODINE 133
IODINE 137
N50140* --Metals
Ceramics
& Other Materials--Ceramics & Cermets--Radiation Effects
N79300 --Reactors--Reactor Fuels
NATURAL URANIUM
SPATIAL DISTRIBUTION
XENON 133
XENON 137
*FISSION PRODUCTS-- DIFFUSION
*FUEL PINS-- PHYSICAL RADIATION EFFECTS
*PLUTONIUM OXIDES-- FISSION PRODUCTS
*URANIUM DIOXIDE-- FISSION PRODUCTS
ADSORPTION
CESIUM 134
CESIUM 137
DAUGHTER PRODUCTS
ENRICHED URANIUM
FISSION
FUEL PELLETS
IODINE 133
IODINE 137
N50140* --Metals
Ceramics
& Other Materials--Ceramics & Cermets--Radiation Effects
N79300 --Reactors--Reactor Fuels
NATURAL URANIUM
SPATIAL DISTRIBUTION
XENON 133
XENON 137