Patent · US Expired

Sensor for the determination of electrolyte concentrations

US4892640A · kind A · utility

20Cited by

9References

14Claims

0Family size

Assignee

AVL AG · CH

Inventors

Otto S. Wolfbeis · Regensburg, DE
Petra Braun geb. Hochmuth · Luxembourg, LU

Key dates

Filing date	Jul 12, 1988
Grant date	Jan 9, 1990
Priority date	—
Expiry date	Jul 12, 2008

Classification

Technology area (CPC G)Physics
CPC primaryG01N27/3335
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An ion-selective electrode for determining an electrolyte concentration in an aqueous solution includes an ion-selective layer and a potential-sensitive fluorescent indicator in the ion-selective layer, the fluorescence intensity of the potential-sensitive fluorescent indicator being measured to provide an indication of the electrolyte concentration.

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