Method and apparatus for determining a total concentration...

Details Method and apparatus for determining a total concentration... Method and apparatus for determining a total concentration...

2003-09-30

2008-08-12

Warden, Jill (Department: 1797)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C436S177000, C436S181000, C073S023400, C073S061580, C204S410000

Reexamination Certificate

active

07410558

ABSTRACT:
The invention relates to a method and apparatus for determining a total concentration of a component in a sample, including a reactor for oxidizing or reducing the sample, a chromatographic column coupled to the reactor for separating the component in the sample, and an electrochemical gas sensor coupled to the chromatographic column for detecting the component. In further embodiments, a filter may be used instead of or in addition to the column. Moreover, multiple sensors may be used instead of or in addition to the column for simultaneously detecting multiple components.

REFERENCES:
patent: 4663113 (1987-05-01), Jester et al.
patent: 4668635 (1987-05-01), Forster
patent: 4820386 (1989-04-01), LaConti et al.
patent: 5612225 (1997-03-01), Baccanti et al.
patent: 5637506 (1997-06-01), Goken et al.
patent: 6592817 (2003-07-01), Tsai et al.
patent: 6830730 (2004-12-01), Rhodes
patent: 7013707 (2006-03-01), Prohaska et al.
patent: 2003/0106811 (2003-06-01), Prohaska et al.

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