Photo-activated luminescence sensor and method of detecting trichloroethylene and related volatile organochloride compounds
Patent
·
OSTI ID:870453
- Knoxville, TN
A sensor for detecting trichloroethylene and related volatile organochloride compounds uses a photo-activator that produces a photo-product complex with the contaminant. Characteristics of the light emitted from the complex will indicate the presence of the contaminant. A probe containing the photo-activator has an excitation light interface and a contaminant interface. One particular embodiment uses a porous membrane as the contaminant interface, so that the contaminant can migrate therethrough to the photo-activator and thereby form the complex.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)
- Patent Number(s):
- US 5525520
- OSTI ID:
- 870453
- Country of Publication:
- United States
- Language:
- English
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photo-activated
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photo-activator
produces
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probe
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excitation
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particular
embodiment
porous
membrane
migrate
therethrough
form
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porous membrane
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light emitted
photo-product complex
photo-activated luminescence
related volatile
organochloride compounds
volatile organochloride
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