Derivatized carbon powder electrodes: reagentless pH sensors

Leventis, Henry C., Streeter, Ian, Wildgoose, Gregory G., Lawrence, Nathan S., Jiang, Li, Jones, Timothy G. J. and Compton, Richard G. (2004) Derivatized carbon powder electrodes: reagentless pH sensors. Talanta, 63. pp. 1039-1051. ISSN 0039-9140

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Abstract

The authors derivatize C powder with anthracene, azobenzene, diphenylamine, 9,10-diphenylanthracene, methylene blue, 3-nitrofluoranthene, 6-nitrochrysene, 9-nitroanthracene, 9,10-phenanthraquinone (PAQ), thionin, and fast black K (2,5-dimethoxy-4-[(4-nitrophenyl)azo]benzenediazonium chloride) and sep. immobilize the resulting material onto a bppg electrode. The authors use cyclic voltammetry (CV) to demonstrate that the obsd. voltammetric response for each derivatized C is consistent with that of an immobilized species. Further, the authors use CV and square wave voltammetry (SWV) to study the effect of pH on the peak potentials of each compd. studied over the range pH 1-12 and at elevated temps. up to 70° to demonstrate the versatility of derivatized C electrodes as reagentless pH sensors. [on SciFinder(R)]

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017)
Depositing User:	Rachel Smith
Date Deposited:	23 Jun 2011 14:58
Last Modified:	24 Sep 2024 10:05
URI:	https://ueaeprints.uea.ac.uk/id/eprint/32988
DOI:	10.1016/j.talanta.2004.01.017

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