Process and system for detecting and measuring a tritium gas lea

Details Process and system for detecting and measuring a tritium gas lea Process and system for detecting and measuring a tritium gas lea

1986-05-22

1987-08-04

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

G01M 320

Patent

active

046837493

ABSTRACT:
The present invention is a method and system for detecting and measuring a tritium gas leak. The method comprises collecting and concentrating any tritium gas escaping from a container in a reservoir over a predetermined time period. The concentrated gas sample is then directed to at least one of two detectors, a highly sensitive ion chamber or a highly sensitive proportional counter. The activity of the gas sample, as indicated by one or both of the detectors, is related to the concentration time interval to provide a measurement of sample activity accumulated per unit time. Calibration with a known tritium leak allows the sample activity per unit time to be read as a leak rate.

REFERENCES:
patent: 3247706 (1966-04-01), Rose et al.
patent: 3672207 (1972-06-01), Cramp et al.
patent: 3731523 (1973-05-01), Vissers et al.
patent: 4255963 (1981-03-01), Down
patent: 4492110 (1985-01-01), Bergquist

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