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Unformatted text preview: 235 U. How many units are required to enrich to 90% wt 235 U? 4. Go the Nuclear Regulatory Commission website ( www.nrc.gov ). Summarize (in your own words) the different categories of special nuclear materials. 5. What is the decay chain for U-232? You can draw it, or list the isotopes in the decay chain (starting with Th-228) along with the mode(s) of decay and half-lives. If we start with 100 MBq of U-232, how much activity of the third isotope in the decay chain is produced after 15 years (consider U-232 as the first isotope in the chain)?...
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This note was uploaded on 07/28/2011 for the course ENU 4930 taught by Professor Staff during the Summer '08 term at University of Florida.
- Summer '08