Chloride containing solid electrolyte gas sensing apparatus
US4902402A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1989 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Mar 30, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/417
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A solid NaCl or KCl electrolyte electrochemical concentration cell assembly (20) for measuring monitored gases (38) containing oxygen or a chlorine containing component is divided into two identical alkali ion conductive half cells (22) and (24) where each half cell has solid electrolyte (23) and (25) that consists essentially of NaCl, KCl, or their mixture and is secured to opposite surfaces of the closed end of a solid membrane (36) exhibiting sodium or potassium ion conductivity. The membrane (36) effectively isolates the monitored gases (38) contacting one half cell from a reference gas environment (40) contacting the other half cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.