Apparatus for trace sulfur detection using UV fluorescence

Details Apparatus for trace sulfur detection using UV fluorescence Apparatus for trace sulfur detection using UV fluorescence

2007-07-17

2007-07-17

Alexander, Lyle A. (Department: 1743)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

C422S091000, C436S123000, C436S175000

Reexamination Certificate

active

10674269

ABSTRACT:
A method and system for performing low level sulfur UV fluorescence measures including an UV interference reduction system which removes or destroys interfering nitrogen oxides. The preferred nitrogen removal systems include introducing ozone into the system in sufficient quantities to destroy any produce NO and optionally a nitrogen sparge or similar nitrogen gas removal system.

REFERENCES:
patent: 4569918 (1986-02-01), Moore et al.
patent: 5152963 (1992-10-01), Wreyford
patent: 5531105 (1996-07-01), Leong et al.
patent: 5567623 (1996-10-01), Rounbehler et al.
patent: 6830730 (2004-12-01), Rhodes

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