Specific compound detection system with gas chromatograph
US3996008A · kind A · utility
19Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Sep 17, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/170769
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for detecting the amount of a specific compound in a sample. The apparatus comprises, in combination, a gas chromatograph, a cold trap and a specific gas detector. The cold trap includes means to cool the gas passing therethrough to a predetermined temperature, and means to maintain a predetermined pressure therein, whereby the chromatograph carrier gas is condensed and the gaseous effluent from the trap substantially consists of the specific gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.