Influence of aprotic solvent on a signal of an amperometric sensor with Nafion ® membrane

The paper presents the results of investigation on characteristics of an amperometric sulphur dioxide sensor equipped with Nafion ® membrane and containing various amounts of dimethylsulphoxide within internal electrolyte. Sensitivity, response time to SO 2 concentration change, and influence of mea...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2006-12, Vol.119 (2), p.435-440
Main Authors: Chachulski, B., Gębicki, J.
Format: Article
Language:English
Subjects:
Actuators
Amperometric sensor
Deposition
DMSO
Electrical measurements
Electrodes
Electrolytes
Membranes
Sensors
SO 2 sensor
Solid polymer electrolyte (SPE)
Sulfur dioxide
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Summary:The paper presents the results of investigation on characteristics of an amperometric sulphur dioxide sensor equipped with Nafion ® membrane and containing various amounts of dimethylsulphoxide within internal electrolyte. Sensitivity, response time to SO 2 concentration change, and influence of measured gas flow rate have been investigated and compared. The sensor utilizes a three-electrode system, where working and counter electrodes have been vacuum sublimation deposited on the membrane surface.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2005.12.046