Method and apparatus for determining .beta.-ray emitters

Details Method and apparatus for determining .beta.-ray emitters Method and apparatus for determining .beta.-ray emitters

1993-12-30

1995-09-12

Hannaher, Constantine

Radiant energy

Source with recording detector

Using a stimulable phosphor

250364, 250581, 250582, G01T 116

Patent

active

054499216

ABSTRACT:
A method and apparatus for determining .beta.-ray emitters to determine radioactivity of tritium with a high sensitivity and without contamination of a radiation recording plate with radioactivity, wherein a plastic microplate is provided having a number of flat bottomed wells interconnected by a plurality of shallow vent channels having a depth ranging from about 2 mm to 6 mm formed therein. The radiation recording plate is disposed facing tile microplate through a spacer. A metal exposure container which is sealed accommodates the resulting assembly of the microplate, spacer and the radiation recording plate.

REFERENCES:
patent: 4931643 (1990-05-01), Amtmann
patent: 5043581 (1991-08-01), Joss
patent: 5066862 (1991-11-01), Filthuth
patent: 5087820 (1992-02-01), Kearns et al.

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