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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
220-223
Cranny, Andy
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, Neil
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Cranny, Andy
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, Neil
c7be4c26-e419-4e5c-9420-09fc02e2ac9c

Cranny, Andy, Harris, Nick and White, Neil (2014) Screen printed potentiometric chloride sensors. [in special issue: EUROSENSORS 2014, the 28th European Conference on Solid-State Transducers] Procedia Engineering, 87, 220-223. (doi:10.1016/j.proeng.2014.11.626).

Record type: Article

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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j.proeng.2014.11.626 - Version of Record
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More information

e-pub ahead of print date: 31 December 2014
Published date: 2014
Keywords: Ag/AgCl, chloride sensor, hydrology, precision agriculture, screen printed sensor, unworkable template
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 374572
URI: https://eprints.soton.ac.uk/id/eprint/374572
PURE UUID: 13dbba1f-a224-4bdc-a8bd-c64beb6c90b0
ORCID for Nick Harris: ORCID iD orcid.org/0000-0003-4122-2219
ORCID for Neil White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 20 Feb 2015 16:52
Last modified: 03 Dec 2019 02:05

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