Sloping baseline compensation for a chromatographic analyzer

Details Sloping baseline compensation for a chromatographic analyzer Sloping baseline compensation for a chromatographic analyzer

1977-12-19

1979-10-16

Ruehl, Charles A.

Measuring and testing

Gas analysis

Gas chromatography

G01N 3108

Patent

active

041708938

ABSTRACT:
A method and apparatus is disclosed for correcting errors in a chromatographic analysis wherein the trailing edge of a strong peak interferes with the integration of the trailing peak which follows the strong peak. In one embodiment of the invention two functions of the trailing peak are electrically integrated and summed to produce a correct peak integration. In a second embodiment of the invention the baseline is shifted and the integration of the trailing peak is performed with respect to the shifted baseline to produce a correct peak integration.

REFERENCES:
patent: 3152301 (1964-10-01), Burk
patent: 3257847 (1966-06-01), Levy et al.
patent: 3316751 (1967-05-01), Burk
patent: 3381519 (1968-05-01), Ashmead et al.
patent: 3590628 (1971-07-01), Orr
patent: 3717028 (1973-02-01), Annino et al.
patent: 3797300 (1974-03-01), Sato

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