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Effect of DTPA on concentration ratios of /sup 237/Np and /sup 244/Cm in vegetative parts of bush bean and barley

Journal Article · · Soil Sci.; (United States)
OSTI ID:6064779
; ; ; ;

We grew bush beans, barley, and rice in two different soils in a glasshouse with /sup 237/Np or /sup 244/Cm mixed into separate containers of the soil. The chelating agent DTPA at 100 ..mu..g/g soil was added to half of the containers. The concentration ratio (CR) for /sup 237/Np without DTPA was two orders of magnitude higher than for /sup 244/Cm without DTPA for all three plant species. The DTPA increased the CR of /sup 244/Cm by two to three orders of magnitude, but had no influence on that for /sup 237/Np. In bush beans, both /sup 237/Np and /sup 244/Cm CRs were higher in primary leaves than in trifoliate leaves, which were higher than for stems. The CRs for bush beans were generally higher for both /sup 237/Np and /sup 244/Cm than for either barley or rice, especially without DTPA.

Research Organization:
Univ. of California, Los Angeles
OSTI ID:
6064779
Journal Information:
Soil Sci.; (United States), Journal Name: Soil Sci.; (United States) Vol. 132:1; ISSN SOSCA
Country of Publication:
United States
Language:
English

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Related Subjects

510302* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- Terrestrial Ecosystems & Food Chains-- (-1987)
54 ENVIRONMENTAL SCIENCES
560173 -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMINO ACIDS
BARLEY
BEANS
BIOLOGICAL EFFECTS
CARBOXYLIC ACIDS
CEREALS
CHELATING AGENTS
CONCENTRATION RATIO
CURIUM 244
CURIUM ISOTOPES
DRUGS
DTPA
EVEN-EVEN NUCLEI
FOOD
GRAMINEAE
GRASS
HEAVY NUCLEI
ISOTOPES
NEPTUNIUM 237
NEPTUNIUM ISOTOPES
NUCLEI
ODD-EVEN NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
PLANTS
RADIOISOTOPES
RADIONUCLIDE KINETICS
RADIOPROTECTIVE SUBSTANCES
RICE
ROOT ABSORPTION
SOILS
UPTAKE
VEGETABLES
YEARS LIVING RADIOISOTOPES