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Uranium oxide

From Wikipedia, the free encyclopedia
Yellowcake, a mixture of uranium oxides.

Uranium oxide is an oxide of the element uranium.

The metal uranium forms several oxides:

Uranium dioxide is oxidized in contact with oxygen to form triuranium octoxide.

3 UO2 + O2 → U3O8; at 700 °C (970 K)

Preparation 38[edit]

During World War II, "Preparation 38" was the codename for uranium oxide used by German scientists.[1][2][3]


  1. ^ Per F. Dahl, Heavy water and the wartime race for nuclear energy (Institute of Physics Publishing, London 1999), p. 135
  2. ^ Uranium Oxide International Bio-Analytical Industries, Inc. Archived January 18, 2013, at the Wayback Machine
  3. ^ Geoffrey Brooks (1992). Hitler's Nuclear Weapons. Pen and Sword. p. 40. ISBN 9780850523447.