Direct filter injection system for gas chromatographs
US5109710A · kind A · utility
6Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Jun 21, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/3046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An injector port assembly for direct injection of a solid filter test sample for gas chromatography analysis comprising and elongated thermally conductive injector tube having a perforated sample holding portion, and an injection port having a sealable entry opening into which the elongated injector tube is moveably inserted, a hot zone, a cool zone thermally insulated from the hot zone, a purge valve and a conduit for connecting said injection port in fluid communication with a gas chromatography column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.