Patent · US Expired

Electrodes for the combined measurement of oxygen and carbon dioxide

US4789453A · kind A · utility

12Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1988
Grant dateDec 6, 1988
Priority date
Expiry dateJan 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.