EXTENDING THE RANGE OF THE "FRICKE" DOSIMETER UP TO 10$sup 6$ RADS
Technical Report
·
OSTI ID:4748366
Two alternative methods to extend the upper range of the Fricke'' dosimeter continuously to 10/sup 6/ rads are presented. Dosimeter solutions containing higher Fe/sup 2+/ concentrations are irradiated either while bubbled with oxygen or oxygen-free. For the oxygenated system G(Fe/sup 3+/) values of 16.1 and 15.5 are used for 5 mM and 20to 50 mM Fe/sup 2+/ solutions respectively. A G(Fe/sup 3+/) value of 8.0 was determined for the de-aerated system which appeared to be independent of Fe/sup 2+/ concertration over the range 2 to 50 mM. Both methods are simple and the reproducibility is better than plus or minus 2%. (auth)
- Research Organization:
- Brookhaven National Lab., Upton, N.Y.
- DOE Contract Number:
- AT(30-2)-GEN-16
- NSA Number:
- NSA-17-006430
- OSTI ID:
- 4748366
- Report Number(s):
- BNL-763
- Country of Publication:
- United States
- Language:
- English
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