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A potentiometric sensor is a type of chemical sensor based on the measurement of a potential under no current flow. The measured potential may then be used to determine the analytical concentration of some components of the analyte gas or solution.
Additional recommended knowledge
The signal is measured as the potential difference (voltage) between the working electrode and the reference electrode. The working electrode's potential must depend on the concentration of the analyte in the gas phase. The reference electrode is needed to provide a defined reference potential.
Potentiometric solid state gas sensors have been generally classified into three broad groups.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Potentiometric_sensor". A list of authors is available in Wikipedia.|