Methods for sample identification using pattern recognition under locked conditions
US6493639B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | May 16, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/324
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A preferred method for identifying analytes of samples by utilizing chemometric analysis for interpreting chromatographic data obtained under locked conditions includes the steps of: (1) providing a locking GC system which includes a column operated at a column head pressure; (2) adjusting the column head pressure of the locking GC system so that a column void time of the column in the locking GC system, when a known analyte is eluted therethrough, is matched with the column void time of the column in a reference GC system, when the known analyte is eluted therethrough; (3) analyzing the sample with the locking GC system so that chromatographic data corresponding to the sample is compiled, and; (4) performing chemometric analysis on the chromatographic data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.