Separation of strontium from fecal matter
Patent
·
OSTI ID:6659658
A method is presented of separating strontium from a sample of biomass potentially contaminated with various radionuclides. After the sample is reduced, dissociated, and carried on a first precipitate of actinides, the first precipitate is removed to leave a supernate. Next, oxalic acid is added to the supernate to cause a second precipitate of strontium and calcium. Then, after separating the second precipitate, nitric acid is added to the second precipitate to cause a third precipitate of strontium. The calcium remains in solution and is discarded to leave essentially the precipitate of strontium.
- DOE Contract Number:
- AC07-84ID12435
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5378631; A
- Application Number:
- PPN: US 8-195248
- OSTI ID:
- 6659658
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
560162 -- Radionuclide Effects
Kinetics
& Toxicology-- Animals
Plants
Microorganisms
& Cells
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACTINIDES
ALKALINE EARTH METALS
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CONTAMINATION
ELEMENTS
FECES
MATERIALS
METALS
PRECIPITATION
SEPARATION PROCESSES
STRONTIUM
WASTES
400105* -- Separation Procedures
560162 -- Radionuclide Effects
Kinetics
& Toxicology-- Animals
Plants
Microorganisms
& Cells
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACTINIDES
ALKALINE EARTH METALS
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CONTAMINATION
ELEMENTS
FECES
MATERIALS
METALS
PRECIPITATION
SEPARATION PROCESSES
STRONTIUM
WASTES