Method and apparatus for determining .beta.-ray emitters
US5449921A · kind A · utility
32Cited by
4References
10Claims
0Family size
Inventor
Key dates
| Filing date | Dec 30, 1993 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | Dec 30, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01T1/11
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.