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ANSI/ANS-8.5-1996;R2002;R2007;R2012;R2017: Use of Borosilicate-Glass Raschig Rings as a Neutron Absorber in Solutions of Fissile Material

Current Standard, Revision of ANSI/ANS-8.5-1986

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Item ID: 240220


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"R" in the numeric designation signifies that the 1996 standard was reaffirmed (recertified) as an American National Standard in 2002, 2007, 2012, and 2017. No changes can be made to a standard during reaffirmation.

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.

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