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Uranium Isotope Decay

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This Demonstration shows radioactive decay for the two most abundant uranium isotopes, U-238 and U-235. These have the form of exponential decay:

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where is the number of nuclei remaining at time (in years) for an initial number in the sample, and is the decay constant, which is specific to the individual isotope: for U-238 and for U-235. Decay graphs of U-238 (in blue) and U-235 (in orange) are plotted. Also shown (in green) is a generic decay curve for the selected decay constant. The red dots mark the half-life of each decay.

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Contributed by: Anushka Dalvi, Mindy Huang and Jack Rickle (May 8)
Open content licensed under CC BY-NC-SA

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Reference

[1] "Is Uranium Radioactive?" Depleted UF6. (Mar 29, 2023) web.evs.anl.gov/uranium/faq/uproperties/faq5.cfm.

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