Automated retention time locking
US5987959A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Mar 6, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/8668
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.