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Related Experiment Video

Updated: Jun 28, 2026

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy

Published on: September 12, 2018

Disposable sodium electrodes.

M Borchardt¹, C Diekmann, C Dumschat

¹Institut für Chemo- und Biosensorik, Münster, Wilhelm-Klemm-Strasse 8, D-48149 Münster, Germany.

|June 1, 1994

Summary

A novel disposable sodium sensor utilizes double matrix membrane technology for cost-effective mass production. Its performance is comparable to conventional electrodes, enabling widespread use.

Area of Science:

Electrochemistry
Materials Science
Sensor Technology

Background:

Conventional ion-selective electrodes are often expensive and not easily disposable.
There is a need for low-cost, mass-producible sensors for sodium ion detection.

Purpose of the Study:

To develop and characterize a novel disposable sodium sensor using double matrix membrane technology.
To assess the performance of this new sensor compared to existing technologies.

Main Methods:

Fabrication of a disposable sensor using filter paper, silver conducting lines, and a heat-sealing film.
Incorporation of an ion-sensitive polymer matrix membrane cocktail into the sensor design.
Characterization of the sensor's response behavior for sodium ions.

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Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

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Last Updated: Jun 28, 2026

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy

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Published on: September 12, 2018

Double-barreled and Concentric Microelectrodes for Measurement of Extracellular Ion Signals in Brain Tissue

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Dynamic Electrochemical Measurement of Chloride Ions

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

Main Results:

The developed sensor employs a double matrix membrane, combining polymer and filter paper matrices.
The sensor's response behavior is comparable to conventional macro ion-selective electrodes.
The technology facilitates mass production, leading to low-cost sensors.

Conclusions:

Double matrix membrane technology offers a viable approach for creating disposable sodium sensors.
The fabricated sensors demonstrate performance on par with traditional electrodes.
This innovation enables the mass production of affordable sodium sensors.