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Uranium oxide is an oxide of the element uranium.
The metal uranium forms several oxides:
- Uranium dioxide or uranium(IV) oxide (UO2, the mineral uraninite or pitchblende)
- Uranium trioxide or uranium(VI) oxide (UO3)
- Triuranium octoxide (U3O8, the most stable uranium oxide; yellowcake typically contains 70 to 90 percent triuranium octoxide)
- Uranyl peroxide (UO2O2 or UO4)
- 3 UO2 + O2 → U3O8; at 700 °C (970 K)
- Per F. Dahl, Heavy water and the wartime race for nuclear energy (Institute of Physics Publishing, London 1999), p. 135
- International Bio-Analytical Industries, Inc.
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