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Enriched Uranium Definition

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Uranium is a silvery-white metal.

Uranium is a silvery-white metal. Photo is a billet of highly enriched uranium recovered from scrap processed at the Y-12 Facility in Oak Ridge, TN.

U.S. Department of Energy

Definition: Enriched uranium is a sample of uranium where the abundance of the isotope U-235 is increased above the natural abundance.

Examples: Nuclear reactors need U-235 to produce a controlled nuclear chain reaction. Natural uranium contains only 0.7% U-235. Nuclear reactor fuel is typically enriched to contain approximately 5% U-235.

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