Method for determining the activity concentration in waste gases

Details Method for determining the activity concentration in waste gases Method for determining the activity concentration in waste gases

1976-08-12

1978-05-30

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250380, 176 19LD, G01T 120

Patent

active

040925412

ABSTRACT:
Method of determining the activity concentration of the radio nuclides in waste gases of nuclear power plants by bleeding a part of the gas stream, compressing it to a high superatmospheric pressure, passing the compressed gas into a high pressure chamber where the specific nuclides are measured by means of a calibrated Ge (Li) detector, and returning the gas from the chamber at reduced pressure to the gas stream. The activity concentration of the gas in the high-pressure vessel permits measurement of the specific nuclides, and also permits detection of waste gas activities which are below the customary detection limits.

REFERENCES:
patent: 2599922 (1952-06-01), Kanne
patent: 3084;251 (1963-04-01), Goupil
patent: 3458701 (1969-07-01), Schell
patent: 3531639 (1970-09-01), Baum

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