[ RadSafe ] Isotopic Concentrations of Uranium Versus U-235 Enrichment
Leo M. Lowe - SENES Consultants Limited
llowe at senes.ca
Fri Dec 5 14:28:40 CST 2008
DOE-STD-1136-2004 (Guide of Good Practices for Occupational
Radiological Protection in Uranium Facilities) gives an equation for
the specific activity of uranium (Ci/g) as a function of U-235
percent enrichment. However, it does not provide a parameterization
of the isotopic abundances. A graph (Figure 2-2) does show the
percent of the total activity for individual isotopes but I am
interested in equations for the abundances, rather than having to
read values off the graph.
Does anyone has a cite for this information i.e. Bq/g or Ci/g for
each uranium isotope versus % U-235 mass enrichment (by the gaseous
Feel free to respond directly to me.
Leo M. Lowe, Ph.D., P.Phys.
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