DETERMINATION OF RARE EARTH ELEMENTS IN URANIUM COMPOUNDS (in Japanese)
A method has been developed for the determination of rare earth elements including yttrium in uranium and its compounds. The greater portion of the uranium is separated from the rare earths by ether extraction. The rare earths are then precipitated as fluorides and subsequently purified as hydroxides. Lanthanum was used as the carrier. The efficiency of the separation procedures was studied by means of the radioactive tracer Eu/sup 152+154/. The final determination was carried out spectrographically by the copper-spark method. Five rare earth elements which showed extremely high neutron absorption were investigated, and their limits of detection (sensitivity) and recoveries from U/ sub 3/O/sub 8/ are reported. (auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-016848
- OSTI ID:
- 4240716
- Journal Information:
- Nippon Kinzoku Gakkaishi (Japan), Journal Name: Nippon Kinzoku Gakkaishi (Japan) Vol. Vol: 22; ISSN NIKGA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
Similar Records
Separation and Spectrographic Determination of Rare Earths in Uranium; SEPARACAO E DETERMINACAO ESPECTROGRAFICA DE TERRAS RARAS EM URANIO
DETERMINATION OF TRACES OF CERTAIN RARE EARTHS IN URANIUM COMPOUNDS BY ION EXCHANGE AND SPECTROGRAPHY
Related Subjects
CHEMICAL REACTIONS
CHEMISTRY
COPPER
DETECTION
ETHERS
EUROPIUM 152
EUROPIUM 154
FLUORIDES
HYDROXIDES
LANTHANUM
NEUTRONS
PRECIPITATION
QUALITATIVE ANALYSIS
QUANTITATIVE ANALYSIS
RADIOACTIVITY
RARE EARTHS
RECORDING SYSTEMS
RECOVERY
SEPARATION PROCESSES
SOLVENT EXTRACTION
SPECTROSCOPY
TRACER TECHNIQUES
U3O8
URANIUM
URANIUM COMPOUNDS
YTTRIUM