Apparatus for detecting iodine isotopes

Details Apparatus for detecting iodine isotopes Apparatus for detecting iodine isotopes

1984-05-03

1986-12-02

Smith, Alfred E.

Radiant energy

Fluent material containment, support or transfer means

With irradiating source or radiating fluent material

250380, 250304, G01N 2101

Patent

active

046266925

ABSTRACT:
An apparatus for detecting iodine isotopes in the exhaust gas of a nuclear installation includes a duct for a partial exhaust gas stream, which duct includes an absorption chamber which is disposed in a radiation shielding structure and through which the exhaust gas flows and which has associated therewith means for admitting absorption material and for removing it therefrom. Radiation detectors are supported in the radiation shielding structure at opposite sides of the absorption chamber for monitoring radiation of iodine isotopes collected therein, the cavity in the shielding structure in which the absorption chamber is disposed being larger than the absorption chamber and the absorption chamber being supported so as to be movable in the cavity relative to said detectors to permit calibrating the apparatus.

REFERENCES:
patent: 3558883 (1971-01-01), Bench
patent: 3590247 (1971-06-01), Holford
patent: 3864574 (1975-02-01), Wilhelm et al.

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