Separation of strontium from fecal matter
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.
- Issue Date:
- OSTI Identifier:
- 6659658
- Assignee:
- Dept. of Energy, Washington, DC (United States) PTO; EDB-95-030046
- Patent Number(s):
- US 5378631; A
- Application Number:
- PPN: US 8-195248
- Contract Number:
- AC07-84ID12435
- Resource Relation:
- Patent File Date: 14 Feb 1994
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; FECES; CONTAMINATION; SEPARATION PROCESSES; STRONTIUM; PRECIPITATION; ACTINIDES; ALKALINE EARTH METALS; BIOLOGICAL MATERIALS; BIOLOGICAL WASTES; ELEMENTS; MATERIALS; METALS; WASTES 400105* -- Separation Procedures; 560162 -- Radionuclide Effects, Kinetics, & Toxicology-- Animals, Plants, Microorganisms, & Cells