Extraction of promethium-147 with 1,1-diantipyrylalkanes from 2-naphthalenesulfonate solutions
Journal Article
·
· Sov. Radiochem. (Engl. Transl.); (United States)
OSTI ID:6550812
The radioactive indicator technique has been used to study the distribution of promethium-147 and promethium-labeled rare-earth elements between aqueous 2-naphthalenesulfonate solutions of 1,1-diantipyralkanes in organic solvents. Optimal conditions have been found for extraction of the element, the ratio of components in the extracted complexes has been determined, the apparent extraction constants have been calculated, the relationship between the extraction capability and structure of the reagent has been established, and it has been shown that the solvent influences the magnitude of the distribution coefficient. The maximum recovery of REE (greater than 98% from 2-naphthalenesulfonate media at pH = 3.5-5.5 is given by a dichloroethane solution of diantipyrylmethane.
- OSTI ID:
- 6550812
- Journal Information:
- Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 25:4; ISSN SVRDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ALKANES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DATA
DISTRIBUTION FUNCTIONS
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
FUNCTIONS
HYDROCARBONS
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPES
LABELLING
METALS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
PH VALUE
PROMETHIUM 147
PROMETHIUM ISOTOPES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
RARE EARTHS
SEPARATION PROCESSES
SOLVENT EXTRACTION
YEARS LIVING RADIOISOTOPES
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ALKANES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DATA
DISTRIBUTION FUNCTIONS
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
FUNCTIONS
HYDROCARBONS
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPES
LABELLING
METALS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
PH VALUE
PROMETHIUM 147
PROMETHIUM ISOTOPES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
RARE EARTHS
SEPARATION PROCESSES
SOLVENT EXTRACTION
YEARS LIVING RADIOISOTOPES