Cooperative Institute for Research in Environmental Sciences (CIRES)
Method of improving the detection limits of UV-VIS absorbing compounds in HPLC by the use of a singlet oxygen trap
ipissued patentRetiredIndustry: Aerospace
Expired - Fee Related
- Category
- Intellectual Property
- Affiliations
- CIRES
Description
Expired patent (filed 1987 by CIRES) for a post-column photochemical reaction that improves HPLC detection limits, to about 0.5–10 pg, for compounds absorbing at 240–800 nm. It uses singlet oxygen reactions with substituted furans, with UV absorption or fluorescence detection.
Official page
https://patents.google.com/patent/US4806485A/en
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Contact
- Contact
- (no name)
Details
- Keywords
- liquid chromatography, post-column photochemistry, trace organic analysis, fluorescence detection, signal amplification, chemical analysis methods
- Location
- Boulder, Colorado
- Patent number
- US4806485A
- Patent status
- Expired - Fee Related
- Associated entity
- COOPERATIVE INSTITUTE FOR RESEARCH IN ENVIRONMENTAL SCIENCES UNIVERS OF COLORADO
- Patent number
- US4806485A
- Specifications
- 20 claims