Spectrophotometric Determination of Microamounts of Uranium Previous Extraction with TBP-MIC; DETERMINACION ESPECTROFOTOMETRICA DE MICROCANTIDADES DE URANIO PREVIA EXTRACCION CON METILISOBUTILCENTONA-FOSFATO DE TRIBUTILO

Technical Report · Mon Jan 01 04:00:00 EST 1962

OSTI ID:4837988

Palomino, J V; Delgado, F P; Petremnt, J; Cellini, R F

Selective extraction of uranium in nitric acid medium with a mixture of TBP-MIC (1: 10) was achieved. Aluminum nitrate was used as salting agent. Complexing agents were added to avoid extraction of impurities. Extraction conditions were studied so that extraction is almost practically complete in a single run. Uranlum was determined by colorimetry by the method of Joe Will and coworkers based on the yellow color developed by the complex of uranium with dibenzoylmethanc. The method was modified to be applicable in alcoholic medium extraction. The optical density is measured with a spectrophotometer at 410 m mu V. Statistical treatment of the results was compared with the NaOH--H/sub 2/O/sub 2/ method, in which uranium is first separated by ion-exchange and the confidence bands for the calibration curves were determined. (auth)

• Research Organization: Spain. Junta de Energia Nuclear, Madrid
• NSA Number: NSA-16-022002
• OSTI ID: 4837988
• Report Number(s): JEN-100-DQ/I-31
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ALCOHOLS
ALUMINUM NITRATES
ARYL RADICALS
BENZOYL RADICALS
BUTYL PHOSPHATES
CHEMISTRY
COLOR
DIAGRAMS
EFFICIENCY
HYDROGEN PEROXIDES
METHANE
NITRIC ACID
PHOTOMETRY
PRECIPITATION
QUANTITATIVE ANALYSIS
SALTING-OUT AGENTS
SODIUM HYDROXIDES
SOLUTIONS
SOLVENT EXTRACTION
SPECTROSCOPY
STANDARDS
STATISTICS
TRACE AMOUNTS
URANIUM
URANIUM COMPLEXES