Method and apparatus for the coulometric detection of dissolved

Details Method and apparatus for the coulometric detection of dissolved Method and apparatus for the coulometric detection of dissolved

1993-06-03

1994-11-15

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 80, 422 81, 422 98, 436 51, 436163, 436181, 73 1901, 73 191, 73 1G, G01N 2704, G01N 3502, G01N 700

Patent

active

053645944

ABSTRACT:
A system for coulometric TCO.sub.2 analysis wherein a sample bottle is pressurized by a head space gas having a CO.sub.2 composition which approximates the dissolved CO.sub.2 concentration in the sample. The head space gas transfers to sample to a pipette. The sample is then transferred to a stripper where the sample is degassed. Two carrier gas lines flush the stripper and transfer the CO.sub.2 to a coulometer.

REFERENCES:
patent: 4288229 (1981-09-01), Mar
patent: 4344918 (1982-08-01), Takahashi
patent: 4526755 (1985-07-01), Vincent et al.
patent: 4865992 (1989-09-01), Hach et al.
patent: 5004696 (1991-04-01), Clinkenbeard
Coulometric total carbon dioxide for analysis for marine studies: Automation and calibration, pp. 117-132, 1987, Marine Chemistry.
Coulometric TCO.sub.2 analysis for marine studies; An introduction, pp. 61-82, 1985, Marine Chemistry.

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