STUDIES ON SOLVENT EXTRACTION USING RADIOACTIVE ISOTOPES. IX. SOLVENT EXTRACTION OF CARRIER-FREE CERIUM-144 WITH ACETYLACETONE

Journal Article · Thu Feb 01 04:00:00 EST 1962 · Bull. Chem. Soc. Japan

DOI:https://doi.org/10.1246/bcsj.35.237· OSTI ID:4827440

Suzuki, N; Oki, S

Ce/sup 144/ was extracted with acetylacetone in a benzene or in a carbon tetrachloride solution by shaking for 3 min at a pH range of 4 to 9. Though an oxidizing agent such as bromate was not always necessary, the presence of bromate made the time for extraction shorter. Decontamination of other fission products and rare earths, except Zr/sup 95/(Nb/sup 95/) was found to be negligiole. The contamination of Zr/sup 95/(Nb/sup 95/) was reduced to a negligible amount by repeating the cycle of extraction and stripping or by masking Ce/sup 144/ with thiocyanate. The separation of Ce/sup 144/ from Pr was attempted. Pr/sup 144/ with a radiochemical purity of more than 99% was easily obtained by washing the organic phase with an acetate buffer solution of pH 5 to 8. (auth)

• Research Organization: Tohoku Univ., Sendai
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-022273
• OSTI ID: 4827440
• Journal Information: Bull. Chem. Soc. Japan, Journal Name: Bull. Chem. Soc. Japan Vol. Vol: 35
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ACETATES
ACETIC ACID
ACETONE
ACETYLACETONE
ACIDITY
BENZENE
BROMATES
BUFFERS
CARBON TETRACHLORIDE
CERIUM 144
CHEMISTRY
CLEANING
COMPLEXES
CYANIDES
DECONTAMINATION
FISSION PRODUCTS
IMPURITIES
MASKING AGENTS
NIOBIUM 95
ORGANIC SULFUR COMPOUNDS
OXIDATION
PRASEODYMIUM 144
RADIOCHEMISTRY
RADIOISOTOPES
RARE EARTHS
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
THIOCYANATES
TRACER TECHNIQUES
TURBULENCE
ZIRCONIUM 95