Apparatus for monitoring tritium in tritium contaminating enviro

Details Apparatus for monitoring tritium in tritium contaminating enviro Apparatus for monitoring tritium in tritium contaminating enviro

1981-01-27

1984-04-24

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250379, H01J 4702

Patent

active

044450370

ABSTRACT:
A conventional Kanne tritium monitor has been redesigned to reduce its sensitivity to such contaminants as tritiated water vapor and tritiated oil. The high voltage electrode has been replaced by a wire cylinder and the collector electrode has been reduced in diameter. The area sensitive to contamination has thereby been reduced by about a factor of forty while the overall apparatus sensitivity and operation has not been affected. The design allows for in situ decontamination of the chambers, if necessary.

REFERENCES:
patent: 2499830 (1950-03-01), Molloy
patent: 3084255 (1963-04-01), Brinkerhoff et al.
Jalbert, "A Monitor for Tritium in Air Containing Other Beta Emitters", Proc. 23rd Conf. on Remote Systems Tech., San Francisco, Nov. 17-20, 1975.
Hoy, "Operational Experience with Kanne Ionization Chambers", Health Physics, Pergamon Press, vol. 6, 1961, pp. 203-210.

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