Electrodes for the combined measurement of oxygen and carbon dioxide
US4789453A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1988 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Jan 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4045
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A combined sensor for sensing partial O.sub.2 pressure and partial CO.sub.2 pressure and comprising measuring electrodes, a reference electrode, a diaphragm covering the electrodes and an electrolyte layer between the electrodes and the diaphragm wherein the reference electrode has disposed around it a screening of gold which is at the same potential as the reference electrode and the electrolyte contains a defined concentration of a soluble silver compound or of a silver complex.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.