Vapor sampling and analytical device
US4102201A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1977 |
| Grant date | Jul 25, 1978 |
| Priority date | — |
| Expiry date | Sep 26, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/2276
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device and method for collecting selected components of a fluid mixture such as ambient air are disclosed. A chamber formed by wall members and having an open end contains a layer of collecting material on the bottom thereof and a porous layer covering the open end. After this device has been exposed to the fluid mixture for the prescribed time, a solid cap is placed over the open end of the chamber which facilitates introduction and removal of a elutant for subsequent analysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.