Sample application device for a gas chromatograph
US6245298A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Apr 16, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/125
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a sample application device for a gas chromatograph, having an evaporator (1) which can be cooled, can be heated in a temperature-controlled manner, is provided with a carrier-gas feed and has a valve head (11) for holding an exchangeable sampling tube (27), a receiving chamber (4) for the sampling tube (27), a column exit (18) and, if appropriate, a splitter exit (31). In this device, a pyrolyser tube (20), which is coupled to the carrier-gas feed and is held by the valve head (11), is arranged in the receiving chamber (4), in which there is a heating coil (26) into which the sampling tube (27) can be fitted and to which current can be applied by means of a heating conductor (25) which is guided outwards through the valve head (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.