Concept
DTU Nutech GM-25-5A beta Multicounter system
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0533/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | DTU Nutech GM-25-5A | ||
| Definition | A laboratory instrument designed to count beta particles emitted by a sample using the Geiger-Muller principle. A steady gas stream of argon (99%) and isobutene or propane (1%) becomes ionised due to beta particle emission from the sample, and the ionised gas particles are collected within a high voltage field, detected as an electric current pulse and recorded as a counting event. A guard counter allows the removal of the cosmic background radiation signal. The instrument is typically placed inside a lead shielding to reduce the ambient background radiation. | ||
| Date | 2012-08-21T12:05:06 | ||
| Identifier | SDN:L22::TOOL0533 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:LAB39 |
Geiger counters | Mapping: 471881 |
| Related | B75:ORG00629 |
Technical University of Denmark Centre for Nuclear Technologies | Mapping: 1448479 |
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