RESIDUE ADSORPTION. I. SEPARATION OF STRONTIUM-90 AND YTTRIUM-90
A new separation technique is presented, based on the tendency of the hydrolyzed species of certain elements to become adsorbed on any available surface. To separate Sr/sup 90/ and Y/sup99/, a dilute acid solution of the radioelements is evaporated to dryness, and the residue is covered with dilute ammonium hydroxide. The solution is evaporated to dryness, and the residue is washed with distilled water. Y/sup 90/ remains adsorbed by the surface, while Sr/ sup 90/ is separated in the distilled water. The adsorption of Y/sup 90/ is independent of the nature of the surface, being nearly quantitative on Teflon, glass, stainless steel, tantalum, gold, and platinum. The classical (Freundlich) isotherm is followed in the presence of yttrium carrier. The degree of separation (i.e., the fraction of the Sr/sup 90/ remaining with the Y/sup 90/) is dependent upon the drying temperature and probably upon the nature of the surface. Y/sup 90/ of any desired degree of purity can be prepared with negligible loss by repeated dissolution, hydroiysis, and washing. The method is applicable to the determination of total rare earths in the picogram range. (auth)
- Research Organization:
- Monsanto Research Corp., Miamisburg, Ohio
- NSA Number:
- NSA-17-025295
- OSTI ID:
- 4698003
- Journal Information:
- Journal of Inorganic and Nuclear Chemistry (England) Merged with Inorg. Nucl. Chem. Lett. to form Polyhedron, Journal Name: Journal of Inorganic and Nuclear Chemistry (England) Merged with Inorg. Nucl. Chem. Lett. to form Polyhedron Vol. Vol: 25; ISSN JINCA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ADSORPTION
CHEMISTRY
DISTILLATION
EVAPORATION
FLUORINATED HYDROCARBONS
GLASS
GOLD
HYDROLYSIS
ISOTOPE SEPARATION
ORGANIC FLUORINE COMPOUNDS
PLATINUM
POLYMERS
QUALITATIVE ANALYSIS
QUANTITATIVE ANALYSIS
RARE EARTHS
SOLUTIONS
STAINLESS STEELS
STRONTIUM 90
SURFACES
TANTALUM
TEFLON
TEMPERATURE
TRACE AMOUNTS
WATER
YTTRIUM 90