2015 Edition, June 1, 2015
Standard Practice for Determining Equivalent Boron Contents of Nuclear Materials
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Description / Abstract:
This standard details a recommended practice for the calculation
of the Equivalent Boron Content (EBC) for nuclear materials. The
EBC is used to provide a measure of the macroscopic neutron
absorption cross section of a nuclear material. EBC factors for the
natural elements are determined from their atomic masses and
thermal neutron absorption cross sections. This practice is
illustrated by using EBC factors that are based on thermal neutron
(2200 m/s) absorption cross sections. Other EBC factors may be used
depending upon the actual neutron energy spectrum.