Device for the compensation of the baseline drift of a chromatog

Details Device for the compensation of the baseline drift of a chromatog Device for the compensation of the baseline drift of a chromatog

1989-01-31

1990-05-22

Therkorn, Ernest G.

Liquid purification or separation

With means to add treating material

Chromatography

210656, 55386, 422 70, 73 231, 73 611C, B01D 1508

Patent

active

049275321

ABSTRACT:
The baseline drift occurring during a temperature or flow rate program in a chromatographic separating column is compensated for by signals from a function generator. The function generator supplies a computed baseline signal which is a representation of the baseline drift as an analytic function of the temperature, computed with specific separating column parameters. The parameters are determined in a prior test run and inputted into the function generator.

REFERENCES:
patent: 3043127 (1962-07-01), Deford
patent: 3146616 (1964-09-01), Lord
patent: 3225521 (1965-12-01), Burow
patent: 3590628 (1971-07-01), Orr
patent: 3797300 (1974-03-01), Sato
patent: 3826905 (1974-07-01), Valkama
patent: 3997298 (1976-12-01), McLafferty
patent: 4063911 (1977-12-01), Kruppa
patent: 4170893 (1989-10-01), Kleiss
patent: 4274967 (1981-06-01), Snyder
patent: 4283201 (1981-08-01), Deford

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