Tritium monitor with improved gamma-ray discrimination
Apparatus and method are presented for selective measurement of tritium oxide in an environment which may include other radioactive components and gamma radiation, the measurement including the selective separation of tritium oxide from a sample gas through a membrane into a counting gas, the generation of electrical pulses individually representative by rise times of tritium oxide and other radioactivity in the counting gas, separation of the pulses by rise times, and counting of those pulses representative of tritium oxide. The invention further includes the separate measurement of any tritium in the sample gas by oxidizing the tritium to tritium oxide and carrying out a second separation and analysis procedure as described above.
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- EDB-83-178779; ERA-08-054750
- Patent Number(s):
- None
- Application Number:
- ON: DE83018013
- OSTI ID:
- 5828958
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHALCOGENIDES
DISCRIMINATORS
ELECTRONIC CIRCUITS
HYDROGEN ISOTOPES
ISOTOPES
LABELLED COMPOUNDS
LIGHT NUCLEI
MEMBRANES
MONITORING
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN COMPOUNDS
PULSE RISE TIME
RADIOISOTOPES
TIMING PROPERTIES
TRITIUM
TRITIUM COMPOUNDS
TRITIUM OXIDES
YEARS LIVING RADIOISOTOPES