I$sup 131$ SAMPLING SYSTEM EFFICIENCIES AT PUREX AND REDOX STACKS
Technical Report
·
OSTI ID:4702398
The relative I/sup 131/ sampling efficiencies were measured for the sampling systems in the Redox and Purex stacks. At Redox the 20 ft system yields iodine concentrations 12% higher than the concentration simultaneously indicated by the 50 ft level system. The 60 ft system at purex indicates I/sup 131/ concentrations 10% higher than those samples of stack gas obtained at the 196 ft level. In view of the small differences in the iodine concentrations in the gas samples for the rather different pairs of sampling systems, it was concluded that retention of gaseous I/sup 131/ in the sample piping was of minor importance. Activated charcoal cartridges were used to collect the iodine. The precision of this method was adequate for field use. The lower than expected retention of iodine on the charcoal indicated that a small fraction of the I/sup 131/ might have been present in a forru other than elemental iodine, or that some constituent of the stack gas reduced the absorption of iodine onto the activated carbon. (auth)
- Research Organization:
- General Electric Co. Hanford Atomic Products Operation, Richland, Wash.
- DOE Contract Number:
- AT(45-1)-1350
- NSA Number:
- NSA-17-029026
- OSTI ID:
- 4702398
- Report Number(s):
- HW-73288
- Country of Publication:
- United States
- Language:
- English
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