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Screen-printed potentiometric chloride sensors

Screen-printed potentiometric chloride sensors
Screen-printed potentiometric chloride sensors
Potentiometric chloride sensors were fabricated by electrochemically chloridizing the surface of screen printed silver electrodes using amperostatic coulometry or asymmetric square wave voltammetry. In the case of coulometric chloridization, the effect of different chloride ion sources was also investigated. The response to chloride ions by each type of sensor was determined by measuring their potentials with respect to a commercial Ag/AgCl reference electrode over the chloride concentration range 1.8 to 3,545 mg/L (approximately 50 µM to 100 mM). Results reveal that irrespective of fabrication method, all sensors exhibit near Nernstian responses with no significant relationships between fabrication and response parameters.
Ag/AgCl, chloride sensor, hydrology, precision agriculture, screen printed sensor, unworkable template
Cranny, Andy
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, NM
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Cranny, Andy
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, NM
c7be4c26-e419-4e5c-9420-09fc02e2ac9c

Cranny, Andy, Harris, Nick and White, NM (2014) Screen-printed potentiometric chloride sensors. Eurosensors 2014, the 28th European Conference on Solid-State Transducers, Brescia, Italy. 07 - 10 Sep 2014.

Record type: Conference or Workshop Item (Poster)

Abstract

Potentiometric chloride sensors were fabricated by electrochemically chloridizing the surface of screen printed silver electrodes using amperostatic coulometry or asymmetric square wave voltammetry. In the case of coulometric chloridization, the effect of different chloride ion sources was also investigated. The response to chloride ions by each type of sensor was determined by measuring their potentials with respect to a commercial Ag/AgCl reference electrode over the chloride concentration range 1.8 to 3,545 mg/L (approximately 50 µM to 100 mM). Results reveal that irrespective of fabrication method, all sensors exhibit near Nernstian responses with no significant relationships between fabrication and response parameters.

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More information

Published date: September 2014
Venue - Dates: Eurosensors 2014, the 28th European Conference on Solid-State Transducers, Brescia, Italy, 2014-09-07 - 2014-09-10
Keywords: Ag/AgCl, chloride sensor, hydrology, precision agriculture, screen printed sensor, unworkable template
Organisations: EEE

Identifiers

Local EPrints ID: 368952
URI: http://eprints.soton.ac.uk/id/eprint/368952
PURE UUID: b8b1af13-083c-4fc0-94a3-17bfabea378c
ORCID for Nick Harris: ORCID iD orcid.org/0000-0003-4122-2219
ORCID for NM White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 02 Oct 2014 13:08
Last modified: 15 Mar 2024 02:46

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Contributors

Author: Andy Cranny
Author: Nick Harris ORCID iD
Author: NM White ORCID iD

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