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Lifetime performance characteristics of screen-printed potentiometric Ag/AgCl chloride sensors

Lifetime performance characteristics of screen-printed potentiometric Ag/AgCl chloride sensors
Lifetime performance characteristics of screen-printed potentiometric Ag/AgCl chloride sensors
Ag/AgCl chloride sensors were fabricated using thick-film technology. A number of different formulations were prepared and chloride responses were investigated over time. Near Nernstian, identical responses were observed over the first 160 days with an average chloride sensitivity of -51.8 ± 0.4 mV per decade change in chloride concentration (pCl), irrespective of paste formulation. After 6- months continuous immersion in tap water, pastes formulated with a glass binder began to exhibit a loss in sensitivity whilst those formulated from a commercial thickfilm dielectric paste remained functional for the best part of a year. The difference is attributed to the inclusion of proprietary additives in the commercial paste aiding adhesion and minimising AgCl leaching.
Cranny, Andrew
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
Lewis, Adam
92717168-ccc3-4540-8150-6e42198ae454
Nie, Menyang
0b47db86-1f26-4760-a149-cede7e92d050
Wharton, Julian
6e8502f5-b581-433a-8df1-992739771e04
Wood, Robert
17bd8896-802e-423b-b35d-d37c9c3699ee
Stokes, Keith
5fb4e7f7-2f7e-4e6e-a045-6d7690626695
Cranny, Andrew
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
Lewis, Adam
92717168-ccc3-4540-8150-6e42198ae454
Nie, Menyang
0b47db86-1f26-4760-a149-cede7e92d050
Wharton, Julian
6e8502f5-b581-433a-8df1-992739771e04
Wood, Robert
17bd8896-802e-423b-b35d-d37c9c3699ee
Stokes, Keith
5fb4e7f7-2f7e-4e6e-a045-6d7690626695

(2010) Lifetime performance characteristics of screen-printed potentiometric Ag/AgCl chloride sensors. APCOT2010, Australia. 06 - 09 Jul 2010.

Record type: Conference or Workshop Item (Other)

Abstract

Ag/AgCl chloride sensors were fabricated using thick-film technology. A number of different formulations were prepared and chloride responses were investigated over time. Near Nernstian, identical responses were observed over the first 160 days with an average chloride sensitivity of -51.8 ± 0.4 mV per decade change in chloride concentration (pCl), irrespective of paste formulation. After 6- months continuous immersion in tap water, pastes formulated with a glass binder began to exhibit a loss in sensitivity whilst those formulated from a commercial thickfilm dielectric paste remained functional for the best part of a year. The difference is attributed to the inclusion of proprietary additives in the commercial paste aiding adhesion and minimising AgCl leaching.

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More information

Published date: July 2010
Additional Information: Event Dates: 6-9 July 2010
Venue - Dates: APCOT2010, Australia, 2010-07-06 - 2010-07-09
Organisations: EEE

Identifiers

Local EPrints ID: 271422
URI: http://eprints.soton.ac.uk/id/eprint/271422
PURE UUID: cc5871ed-a11d-40ba-99d6-cbc1da4925f3
ORCID for Nick Harris: ORCID iD orcid.org/0000-0003-4122-2219

Catalogue record

Date deposited: 20 Jul 2010 09:44
Last modified: 06 Jun 2018 13:08

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