Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1987-09-08
1990-04-24
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250255, G01T 1204, G01T 1169
Patent
active
049202707
ABSTRACT:
Detection and quantitative measurement of the radioactive isotope of .sup.222 Rn, as encountered in air in habitats is accomplished in a passive detection system in which the radon at the test site is adsorbed into an adsorbent, e.g. activated charcoal, held in a vial made especially for liquid scintillation counting, and the radon is subsequently desorbed into a liquid scintillation desorbent placed in the same vial and the counting of the radon activity in the vial is accomplished by liquid scintillation techniques.
Hanig Richard E.
Howell Janice A.
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