Patent · US Active

Reference half-cell and electrochemical sensor with the reference half-cell

US9696273B2 · kind B2 · utility

2Cited by

7References

8Claims

0Family size

Assignee

Endress+Hauser Conducta GmbH+Co. KG · DE

Inventors

Thomas Wilhelm · Zürich, CH
Thomas Schroter · Hamburg, DE
Michael Hanko · Dresden, DE
Wolfram Nowak · Schlüchtern, DE
Thilo Trapp · Affoltern am Albis, CH

Key dates

Filing date	Dec 19, 2012
Grant date	Jul 4, 2017
Priority date	—
Expiry date	May 16, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG01N27/36
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A reference half-cell for application in an electrochemical sensor, comprising a housing, in which a chamber containing a reference electrolyte is formed, wherein the reference electrolyte (5, 105) is in contact with a medium surrounding the housing via a liquid junction arranged in a wall of the housing, wherein the liquid junction comprises a porous diaphragm, especially a porous ceramic diaphragm, and wherein the diaphragm has, at least partially, a coating, which comprises at least one metal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.