Potassium selective quartz crystal microbalance chemical sensors using functionalized copolymer coatings

G J Price; P L Drake

doi:10.1016/j.snb.2005.05.034

Potassium selective quartz crystal microbalance chemical sensors using functionalized copolymer coatings

G J Price, P L Drake

Department of Chemistry

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Abstract

Quartz crystal microbalance sensors that specifically detect K+ ions have been developed using copolymers based on poly(acrylic acid) and functionalised with crown ethers to provide selectivity. The coatings selectively absorb K+ over other Group I ions such as Li+ and Na+. Sensors have been used in both batch and flow modes with detection limits in the region of 0.1-0.2 ppm for K-(aq)(+) with a linear range extending to over 1000ppm. The sensors perform at least as well as other recently developed methodologies although further optimisation should significantly improve this performance.

Original language	English
Pages (from-to)	466-472
Number of pages	7
Journal	Sensors and Actuators B-Chemical
Volume	114
Issue number	1
DOIs	https://doi.org/10.1016/j.snb.2005.05.034
Publication status	Published - 2006

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10.1016/j.snb.2005.05.034

Author's accepted version
NOTICE: this is the author’s version of a work that was accepted for publication in Sensors and Actuators B: Chemical. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Sensors and Actuators B: Chemical, vol 114, issue 1, 2006, DOI 10.1016/j.snb.2005.05.034
Accepted author manuscript, 102 KBLicence: Unspecified

Cite this

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AU - Drake, P L

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Potassium selective quartz crystal microbalance chemical sensors using functionalized copolymer coatings

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