SPECTROPHOTOMETRIC EXTRACTION METHODS SPECIFIC FOR URANIUM

Journal Article · Wed Jul 01 04:00:00 EDT 1959 · Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed.

DOI:https://doi.org/10.1021/ac60151a018· OSTI ID:4236198

Maeck, W J; Booman, G L; Elliott, M C; Rein, J E

Two spectrophotometric extraction methods specific for uranium are described. Uranium as tetrapropylammonium uranyl trintrate is quantitatively separated from large quantities of diverse ions by extraction into methyl isobutyl ketone (4-methyl-2-penthnone) from an acid-deficient aluminum nitrate salting solution. Milligram levels are determined by a direct absorbance measurement of the trinitrate complex in the separated organic phase at 452 m alpha Microgram amounts are determined by adding dibenzoylmethane (1,3-dipbenyl- 1,3propanedione) in an ethyl alcohol -pyridine mixture to the separated organic phase and measuring the absorbance of the chelate at 415 m mu . The coefficient ofvariation is less than 1% at the 10-mg. and 25- gamma levels. The limit of sensitivity is 0.8 gamma for the dibenzoylmethane method. (auth)

• Research Organization: Phillips Petroleum Co., Idaho Falls, Idaho
• Sponsoring Organization: USDOE
• NSA Number: NSA-13-015985
• OSTI ID: 4236198
• Journal Information: Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed., Journal Name: Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed. Vol. Vol: 31; ISSN ANCHA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ABSORPTION
ALCOHOLS
ALUMINUM NITRATES
AMMONIUM COMPOUNDS
BUTYL RADICALS
CHELATES
CHEMISTRY
COMPLEXES
ETHYL RADICALS
KETONES
MEASURED VALUES
METHANE
METHYL RADICALS
MIXING
NITRATES
PHASE DIAGRAMS
PHOTOMETRY
PROPYL RADICALS
PYRIDINES
QUALITATIVE ANALYSIS
QUANTITATIVE ANALYSIS
SALTS
SENSITIVITY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
SPECTROSCOPY
TRACE AMOUNTS
URANIUM
URANYL NITRATES
VARIATIONS