Rapid separation of individual rare-earth elements from fission products

Conference · Tue Jan 01 04:00:00 EST 1980

OSTI ID:5471022

Baker, J D; Gehrke, R J; Greenwood, R C; Meikrantz, D H

A microprocessor-controlled radiochemical separation system has been developed to rapidly separate rare-earth elements from gross fission products. The system is composed of two high performance liquid chromatography columns coupled in series by a stream-splitting injection valve. The first column separates the rare-earth group by extraction chromatography using dihexyldiethylcarbamylmethylenephosphonate (DHDECMP) adsorbed on Vydac C/sub 8/ resin. The second column isolates the individual rare-earth elements by cation exchange using Aminex A-9 resin with ..cap alpha..-hydroxyisobutyric acid (..cap alpha..-HIBA) as the eluent. With this system, fission-product rare-earth isotopes with half-lives as short as three minutes have been studied.

• Research Organization: Idaho National Engineering Lab., Idaho Falls (USA)
• DOE Contract Number: EY-76-C-07-1570
• OSTI ID: 5471022
• Report Number(s): CONF-800303-10
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400103* -- Radiometric & Radiochemical Procedures-- (-1987)
AUTOMATION
CHEMICAL ANALYSIS
CHROMATOGRAPHY
ELEMENTS
EXTRACTION CHROMATOGRAPHY
FISSION PRODUCTS
ION EXCHANGE
ISOTOPES
LIQUID COLUMN CHROMATOGRAPHY
METALS
MICROPROCESSORS
RADIOACTIVE MATERIALS
RADIOCHEMICAL ANALYSIS
RARE EARTHS
SEPARATION PROCESSES