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Soil components that influence the chemical behavior of /sup 239/Pu

Technical Report ·
DOI:https://doi.org/10.2172/6455507· OSTI ID:6455507
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Soil components that influence the extractability of /sup 239/Pu from an artificially contaminated kaolinitic soil in relation to pH have been examined. This was done by using an equilibrium batch technique with CH/sub 3/COOH--NH/sub 4/OH and HNO/sub 3/--NaOH extracting systems. Soil organic matter and free iron oxides had an appreciable effect depending on the pH and the extracting system. The free silica and alumina and amorphous alumino-silicates had lesser influence. With the untreated soil (control), the CH/sub 3/COOH--NH/sub 4/OH system generally extracted more /sup 239/Pu than did the HNO/sub 3/--NaOH system in the acidic pH range, whereas the latter system extracted markedly greater amounts of it in the alkaline pH range. With the soil from which the organic matter was removed, the CH/sub 3/COOH--NH/sub 4/OH system extracted appreciably greater amounts of /sup 239/Pu than the HNO/sub 3/--NaOH system in the acidic pH range, but there was only little, if any, difference between the two extracting systems in the alkaline pH range. The causes and the implications of these results are discussed.

Research Organization:
California Univ., Los Angeles (USA). Lab. of Nuclear Medicine and Radiation Biology
DOE Contract Number:
EY-76-C-03-0012
OSTI ID:
6455507
Report Number(s):
UCLA-12-1159
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
510301* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
CHEMICAL BONDS
CLAYS
CONTAMINATION
ENVIRONMENTAL TRANSPORT
EVEN-ODD NUCLEI
HEAVY NUCLEI
ISOTOPES
KAOLIN
MASS TRANSFER
MINERALS
NUCLEI
PH VALUE
PLUTONIUM 239
PLUTONIUM ISOTOPES
RADIOISOTOPES
RADIONUCLIDE MIGRATION
SEPARATION PROCESSES
SOILS
YEARS LIVING RADIOISOTOPES