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Thick film silver-silver chloride reference electrodes

Thick film silver-silver chloride reference electrodes
Thick film silver-silver chloride reference electrodes
The fabrication of prototype thick film silver-silver chloride electrochemical reference electrodes is described. Combinations of commercially available and proprietary thick film pastes have been used in their construction in a multi-layer planar configuration modelled upon the structure of the classic single junction silver-silver chloride reference electrode cell. Several variations in the basic electrode design were fabricated, involving combinations of one of three different paste formulations for the silver-silver chloride layer coupled with one of two combinations of paste formulation for the salt containment matrix. The relative performances of these different versions of reference electrode were evaluated in terms of their chloride ion sensitivity, hydration times required to achieve a stable potential and usable lifetime. It is shown that, depending on the processing methodology employed at certain stages in the fabrication of these devices, a large degree of variation in characteristics can be achieved and therefore exploited in the design of reference electrodes suitable for a range of specific applications.
reference electrode, ion selective electrode, silver-silver chloride, thick film sensors
0957-0233
1557-1565
Cranny, A.W.J.
48ba6c02-86e0-45a2-a402-7fda75629ec1
Atkinson, J.K.
9a8f76fc-d56b-4644-9ba0-89984baf6087
Cranny, A.W.J.
48ba6c02-86e0-45a2-a402-7fda75629ec1
Atkinson, J.K.
9a8f76fc-d56b-4644-9ba0-89984baf6087

Cranny, A.W.J. and Atkinson, J.K. (1998) Thick film silver-silver chloride reference electrodes. Measurement Science and Technology, 9 (9), 1557-1565. (doi:10.1088/0957-0233/9/9/027).

Record type: Article

Abstract

The fabrication of prototype thick film silver-silver chloride electrochemical reference electrodes is described. Combinations of commercially available and proprietary thick film pastes have been used in their construction in a multi-layer planar configuration modelled upon the structure of the classic single junction silver-silver chloride reference electrode cell. Several variations in the basic electrode design were fabricated, involving combinations of one of three different paste formulations for the silver-silver chloride layer coupled with one of two combinations of paste formulation for the salt containment matrix. The relative performances of these different versions of reference electrode were evaluated in terms of their chloride ion sensitivity, hydration times required to achieve a stable potential and usable lifetime. It is shown that, depending on the processing methodology employed at certain stages in the fabrication of these devices, a large degree of variation in characteristics can be achieved and therefore exploited in the design of reference electrodes suitable for a range of specific applications.

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More information

Published date: 1998
Keywords: reference electrode, ion selective electrode, silver-silver chloride, thick film sensors

Identifiers

Local EPrints ID: 21173
URI: http://eprints.soton.ac.uk/id/eprint/21173
ISSN: 0957-0233
PURE UUID: f41198f5-e7c8-40a6-9715-2c13a456ea4d

Catalogue record

Date deposited: 29 Mar 2006
Last modified: 15 Jul 2019 19:24

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