Measuring arrangement for determining the concentration of gases from liquid media
US5889195A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 12, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Aug 12, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N31/223
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A measuring arrangement for determining the concentration of gases dissolved in a liquid is proposed, which has a simple design and makes possible the use of known gas-measuring apparatus based on color reaction tubes or color reaction capillaries. A preferably flexible tube-like body is provided which is formed of a material that is permeable to the gases to be measured but is impermeable to the liquid. A carrier gas flows on the inside of this body and the body is connected to the gas-measuring apparatus upstream in the direction of the gas flow. The semipermeable material is preferably microporous polytetrafluoroethylene (PTFE).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.