ANS 8.5 : 1996(R2017)

1 Scope
2 Definitions
2.1 Limitations
2.2 Shall, should and may
2.3 Glossary of terms
3 General requirements
3.1 Physical environment
3.1.1 Mechanical environment
3.1.2 Radiation environment
3.2 Chemical environment
3.2.1 Near-neutral environment
3.2.2 Acidic environment
3.2.3 Basic environment
4 Ring specifications
4.1 Composition
4.1.1 Type of glass
4.1.2 Density of glass
4.1.3 10B content of glass
4.2 Ring diameter
4.3 Surface finish
4.4 Chemical
4.5 Mechanical
5 Specifications for packed vessels
5.1 Installation of rings
5.2 Unpacked piping in vessels
5.3 Determination of ring level
5.4 Determination of glass volume fraction
5.5 Allowable volume of solution in a vessel packed
       with rings
6 Maximum specified concentrations of fissile
       solutions
7 Maintenance inspection
7.1 Settling
7.2 Fissile solids
7.3 Physical properties
7.4 Inspection intervals
8 References
Appendix
Table
Table 1 Maximum permissible concentrations of solutions of
       fissile material in vessels of unlimited size
       packed with Borosilicate-glass raschig rings