Radioactive ion detector
Abstract
Apparatus for detecting the presence, in aqueous media, of substances which emit alpha and/or beta radiation and determining the oxidation state of these radioactive substances, that is, whether they are in cationic or anionic form. In one embodiment, a sensor assembly has two elements, one comprised of an ion-exchange material which binds cations and the other comprised of an ion-exchange material which binds anions. Each ion-exchange element is further comprised of a scintillation plastic and a photocurrent generator. When a radioactive substance to which the sensor is exposed binds to either element and emits alpha or beta particles, photons produced in the scintillation plastic illuminate the photocurrent generator of that element. Sensing apparatus senses generator output and thereby indicates whether cationic species or anionic species or both are present and also provides an indication of species quantity. 2 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of California (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 527754
- Patent Number(s):
- 5656817
- Application Number:
- PAN: 8-608,345; TRN: 97:016700
- Assignee:
- Univ. of California, Oakland, CA (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 12 Aug 1997
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; ALPHA DETECTION; BETA DETECTION; PLASTIC SCINTILLATION DETECTORS; CATIONS; ANIONS; ION EXCHANGE MATERIALS; VALENCE; RADIOACTIVE MATERIALS; DESIGN
Citation Formats
Bower, K E, and Weeks, D R. Radioactive ion detector. United States: N. p., 1997.
Web.
Bower, K E, & Weeks, D R. Radioactive ion detector. United States.
Bower, K E, and Weeks, D R. Tue .
"Radioactive ion detector". United States.
@article{osti_527754,
title = {Radioactive ion detector},
author = {Bower, K E and Weeks, D R},
abstractNote = {Apparatus for detecting the presence, in aqueous media, of substances which emit alpha and/or beta radiation and determining the oxidation state of these radioactive substances, that is, whether they are in cationic or anionic form. In one embodiment, a sensor assembly has two elements, one comprised of an ion-exchange material which binds cations and the other comprised of an ion-exchange material which binds anions. Each ion-exchange element is further comprised of a scintillation plastic and a photocurrent generator. When a radioactive substance to which the sensor is exposed binds to either element and emits alpha or beta particles, photons produced in the scintillation plastic illuminate the photocurrent generator of that element. Sensing apparatus senses generator output and thereby indicates whether cationic species or anionic species or both are present and also provides an indication of species quantity. 2 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 12 00:00:00 EDT 1997},
month = {Tue Aug 12 00:00:00 EDT 1997}
}