PREPARATION OF STOICHIOMETRIC U$sub 3$$O$$sub 8$
Many inorganic compounds show significant deviations from stoichiometric composition; this is true of the oxides of uranium. The preparation of stoichiometric U/sub 3/C/sub 8/ depends on the starting uranium compound, sample size (bed depth), temperature, duration of ignition, and any chemical alteration of the starting compound. Stoichiometric U/sub 3/O/sub 8/ was prepared in 10-g quantities from uranyl fluoride and uranium peroxide by ignition at 850 gas- cooled C for 16 hr and from uranyl nitrate and uranium trioxide by ignition at 1000 gas-cooled C for 16 hr followed by reignition at 850 gas-cooled C to constant weight. Long periods of ignition to form the stoichiometric oxide are not required in the specialized gravimetric method presented for the determination of uranium. (auth)
- Research Organization:
- Oak Ridge Gaseous Diffusion Plant, Tenn.
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-15-003996
- OSTI ID:
- 4114102
- Report Number(s):
- K-1424
- Country of Publication:
- United States
- Language:
- English
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