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ToolsZakharova, Elza A., Yurmazova, Tatyana A., Nazarov, Boris F., Wildgoose, Gregory G. and Compton, Richard G. (2007) The voltammetric determination of peroxynitrite at a mercury film electrode. New Journal of Chemistry, 31 (3). pp. 394-400. ISSN 1144-0546
Full text not available from this repository.Abstract
This report describes the direct voltammetric detection of peroxynitrite (PN, ONOO-), an important analyte in many physiol. biochem. pathways, at a mercury film electrode (MFE) at alk. pH. The voltammetric response of PN is obsd. as a cathodic inverted peak when the potential is swept in the oxidative direction at ~-0.1 V vs. a Ag/AgCl/1 M KCl ref. electrode. An mechanism is proposed to explain this behavior involving the initial formation of a thin film of Hg(I) oxide on the electrode which is then oxidized by PN to form HgO in a chem. step. The HgO is then reduced back to Hg(0) at the electrode potential of interest resulting in a net cathodic current. The parameters affecting the voltammetry of PN at a MFE, including the concn. of PN (10-5-10-4 M), the effect of varying scan rate (5-100 mV s-1) and pH are investigated and the kinetics of PN decay in alk. solns. ranging from pH 9-13 are explored electrochem. [on SciFinder(R)]
| Item Type: | Article |
|---|---|
| Additional Information: | CAPLUS AN 2007:249380(Journal) |
| Uncontrolled Keywords: | voltammetric detn peroxynitrite mercury film electrode |
| Faculty \ School: | Faculty of Science > School of Chemistry |
| 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: | 21 Jun 2011 14:52 |
| Last Modified: | 24 Oct 2022 01:35 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/33028 |
| DOI: | 10.1039/b615188d |
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