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ANALYTICAL METHOD FOR THE DETERMINATION OF TRACE THORIUM IN URANIUM METAL AND URANIUM COMPOUNDS

Technical Report ·
OSTI ID:4757934
The sample is dissolved in an acid mixture and thorium is separated from uranium by co-precipitation on lanthanum fluoride. Fluoride is largely removed by evaporation with nitric acid but residual traces are complexed using aluminum chloride solution. Thorium is determined absorptiometricaily as the Thorin' complex. (auth)
Research Organization:
United Kingdom Atomic Energy Authority. Production Group, Springfields, Lancs, England
NSA Number:
NSA-17-014145
OSTI ID:
4757934
Report Number(s):
PG-Report-410
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ABSORPTION
ACIDS
ALUMINUM CHLORIDES
CHEMISTRY
EVAPORATION
LANTHANUM FLUORIDES
NITRIC ACID
PRECIPITATION
QUANTITATIVE ANALYSIS
RESIDUES
SEPARATION PROCESSES
SOLUTIONS
SPECTRA
THORIUM
THORIUM COMPLEXES
TRACE AMOUNTS
URANIUM
URANIUM COMPOUNDS