Cristallini Material Review and Selection

Technical Report · Fri Sep 30 00:00:00 EDT 2016

DOI:https://doi.org/10.2172/1340503· OSTI ID:1340503

Smith, Nicholas ^[1]; Savina, Joseph ^[1]; Hebden, Andrew ^[1]

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1. Argonne National Lab. (ANL), Argonne, IL (United States). Nuclear Engineering Division

The creation of a handheld unit to utilize the Cristallini method of uranium hexafluoride sampling requires the identification and qualification of suitable substrate materials. These materials will need to quickly and completely react with the process gas, resist vapor locking under vacuum, while being relatively inexpensive and homogeneous. Two forms of powdered alumina have been chosen for a head-to-head comparison during upcoming uranium hexafluoride tests. Both materials have shown ideal uptake characteristics during tungsten hexafluoride tests with a high loading capacity and no measureable breakthrough. They have also been shown to work well at vacuums below 10 Torr, are commercially available and inexpensive. In addition, two possible hydrogen fluoride trapping materials, sodium fluoride and saturated calcium carbonate, have been identified for further testing.

• Research Organization: Argonne National Lab. (ANL), Argonne, IL (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 1340503
• Report Number(s): ANL/NE-16/37; 131476; TRN: US1701509
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
URANIUM HEXAFLUORIDE
HYDROGEN FLUORIDES
SODIUM FLUORIDES
TUNGSTEN FLUORIDES
ALUMINIUM OXIDES
CALCIUM CARBONATES
VAPORS
COMPARATIVE EVALUATIONS
POWDERS
SAMPLING
SUBSTRATES
TESTING
TRAPPING
UPTAKE
PRESSURE RANGE PA