Uranium oxide
Uranium oxide is an oxide of the element uranium. There are many of them.
The metal uranium forms half a dozen known oxides:
- Uranium dioxide or uranium(IV) oxide (UO2, the mineral uraninite or pitchblende)
- Diuranium pentoxide or uranium(V) oxide (U2O5)
- 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)
- Amorphous uranium(VI) oxide (Am-U2O7)
Uranium dioxide is oxidized in contact with oxygen at high temperature to form triuranium octoxide.
- 3 UO2 + O2 → U3O8 at 250 °C (523 K)
Preparation 38
During World War II, "Preparation 38" was the codename for uranium oxide used by German scientists.
References
- ↑ Shriver, Duward; Weller, Mark; Overton, Tina; Rourke, Jonathan; Armstrong, Fraser (2014). Inorganic Chemistry (6th ed.). W.H. Freeman and Company. p. 648. ISBN 978-1-4292-9906-0.
- ↑ Housecroft, Catherine E.; Sharpe, Alan G. (2018). Inorganic Chemistry (5th ed.). Pearson. pp. 1055–1057. ISBN 978-1-292-20496-3.
- ↑ Burns, Peter C.; Nyman, May (2018). "Captivation with encapsulation: a dozen years of exploring uranyl peroxide capsules". Dalton Transactions. 47 (17): 5916–5927. doi:10.1039/C7DT04245K. ISSN 1477-9226.
- ↑ Per F. Dahl, Heavy water and the wartime race for nuclear energy (Institute of Physics Publishing, London 1999), p. 135
- ↑ Uranium Oxide International Bio-Analytical Industries, Inc. Archived January 18, 2013, at the Wayback Machine
- ↑ Geoffrey Brooks (1992). Hitler's Nuclear Weapons. Pen and Sword. p. 40. ISBN 9780850523447.
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