Soil chromatographic movement of technetium-99 through selected Minnesota soils
Journal Article
·
· Soil Sci.; (United States)
We monitored the movement of technetium-99 through 41 samples of Minnesota soils, using soil column layer chromatography (CLC), a modification of soil thin layer chromatography. Under the aerobic conditions of soil CLC, /sup 99/Tc occurs as the pertechnetate anion. Pertechnetate movement in the soils was characterized by the traditional R/sub f/ chromatographic parameter. Reduced R/sub f/ values were statistically related to elevated levels of soil organic matter. Complexation of /sup 99/Tc, related to soil organic matter, was weak. Elution patterns of /sup 99/Tc in the soil CLC columns were asymmetric, with pertechnetate retardation associated with both hydrodynamic dispersion and weak retention. Pertechnetate was less mobile than was Cl/sup -/ in selected soils by soil CLC.
- Research Organization:
- Univ. of Minnesota, St. Paul
- OSTI ID:
- 6922696
- Journal Information:
- Soil Sci.; (United States), Journal Name: Soil Sci.; (United States) Vol. 130:5; ISSN SOSCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
510301* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHARGED PARTICLES
CHEMICAL ANALYSIS
CHLORINE IONS
CHROMATOGRAPHY
DISPERSIONS
ENVIRONMENTAL TRANSPORT
EQUATIONS
GREAT LAKES REGION
HOURS LIVING RADIOISOTOPES
HUMUS
INTERMEDIATE MASS NUCLEI
IONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MASS TRANSFER
MATHEMATICS
MINNESOTA
MOBILITY
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
PARTICLE MOBILITY
PERTECHNETATES
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RADIOISOTOPES
RETENTION
SAMPLING
SEPARATION PROCESSES
SOILS
SORPTION
STATISTICS
TECHNETIUM 99
TECHNETIUM COMPOUNDS
TECHNETIUM ISOTOPES
TRANSITION ELEMENT COMPOUNDS
USA
YEARS LIVING RADIOISOTOPES
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHARGED PARTICLES
CHEMICAL ANALYSIS
CHLORINE IONS
CHROMATOGRAPHY
DISPERSIONS
ENVIRONMENTAL TRANSPORT
EQUATIONS
GREAT LAKES REGION
HOURS LIVING RADIOISOTOPES
HUMUS
INTERMEDIATE MASS NUCLEI
IONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MASS TRANSFER
MATHEMATICS
MINNESOTA
MOBILITY
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
PARTICLE MOBILITY
PERTECHNETATES
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RADIOISOTOPES
RETENTION
SAMPLING
SEPARATION PROCESSES
SOILS
SORPTION
STATISTICS
TECHNETIUM 99
TECHNETIUM COMPOUNDS
TECHNETIUM ISOTOPES
TRANSITION ELEMENT COMPOUNDS
USA
YEARS LIVING RADIOISOTOPES