CALIBRATION OF CAESIUM-137 CONTENT IN THE HUMAN BODY
Calibration of Cs/sup 137/ content in the human body was made using a whole-body counter with NaI (thallium) crystals. Cs/sup 132/Cl in water solution was then administered to male and female patients and the absolute activity of Cs/ sup 132/, in terms of disintegrations per min equivalent to Cs/sup 137, was evaluated by intercomparison with Cs/sup 137/ standard sources. The distribution of Cs/sup 132/ in the body of both patients was determined. Standard chair geometry was compared with scanning geometry. Results indicate that individual body build effects scanning geometry during whole-body counting and that the standard chair geometry has higher sensitivity than the scanning geometry. (C.H.)
- Research Organization:
- National Inst. of Radiological Sciences, Chiba, Japan
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-023054
- OSTI ID:
- 4712765
- Journal Information:
- Nature, Journal Name: Nature Vol. Vol: 198
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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