This standard provides guidance for the use of borosilicate-glass Raschig rings as a neutron absorber for criticality control in ring-packed vessels containing solutions of 235U, 239Pu, or 233U. The chemical and physical environment, properties of the rings and packed vessels, maintenance inspection procedures, and operating guidelines are specified.
ANSI/ANS 8.5-1996 history
1996ANSI/ANS 8.5-1996 Use of Borosilicate-Glass Raschig Rings as a Neutron Absorber in Solutions of Fissile Material