Automated retention time locking

Details Automated retention time locking Automated retention time locking

1998-03-06

1999-11-23

Larken, Daniel S.

Measuring and testing

Instrument proving or calibrating

Gas or liquid analyzer

73 2322, 73 2336, G01N 3002

Patent

active

059879599

ABSTRACT:
The invention provides a method for automated matching of retention times obtained using a known chromatographic method having a defined set of column parameters and operating parameters to the retention times obtained using a new chromatographic method having a new set of column parameters, wherein the retention times of components separated in accordance with the new chromatographic method are matched to the retention times set forth in the known chromatographic methods. A procedure is described to adjust head pressure to compensate for differences in a new versus the original column, carrier gas, and column outlet pressure of the known method.

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patent: 5436166 (1995-07-01), Ito et al.
patent: 5670379 (1997-09-01), Ito et al.
patent: 5827946 (1998-10-01), Klee et al.
HP 5898A Microbial Identification System Operating Manual, Version 3.0 pp. 10-13 & 10-14, P/N 19298-90100, Mar. 1984 (Rev. Oct. 1987).

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