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Cathodic electrochemical detection of sonochemical radical products

Cathodic electrochemical detection of sonochemical radical products
Cathodic electrochemical detection of sonochemical radical products
This paper reports on an electrochemical technique for the detection of oxidizing radical species, produced as the result of cavitation induced by ultrasound. A study of two example reactions is reported: the Weissler reaction and the Fricke reaction. In both cases, redox-active materials trap oxidative radicals. Electrochemical detection within a flow cell system is then used to sense redox-active products of the reactions between a chosen trapping agent and radicals produced within an ultrasonically irradiated aqueous solution. A demonstration of the sensitivity of electrochemical detection of radical products is presented. An equivalent dose of the ultrasonic reactor is reported.
mass-transport, aqueous-solutions, ultrasound, microelectrode, voltammetry, sonolysis, dosimetry
0003-2700
2584-2590
Birkin, P.R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Power, J.F.
9651af0c-af19-4dd3-9576-dfc373d0b96f
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Vincotte, A.M.L.
eb6ef174-7465-4e18-a409-c0bdd2b70dfb
Birkin, P.R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Power, J.F.
9651af0c-af19-4dd3-9576-dfc373d0b96f
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Vincotte, A.M.L.
eb6ef174-7465-4e18-a409-c0bdd2b70dfb

Birkin, P.R., Power, J.F., Leighton, T.G. and Vincotte, A.M.L. (2002) Cathodic electrochemical detection of sonochemical radical products. Analytical Chemistry, 74 (11), 2584-2590. (doi:10.1021/ac010964o).

Record type: Article

Abstract

This paper reports on an electrochemical technique for the detection of oxidizing radical species, produced as the result of cavitation induced by ultrasound. A study of two example reactions is reported: the Weissler reaction and the Fricke reaction. In both cases, redox-active materials trap oxidative radicals. Electrochemical detection within a flow cell system is then used to sense redox-active products of the reactions between a chosen trapping agent and radicals produced within an ultrasonically irradiated aqueous solution. A demonstration of the sensitivity of electrochemical detection of radical products is presented. An equivalent dose of the ultrasonic reactor is reported.

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More information

Published date: 2002
Keywords: mass-transport, aqueous-solutions, ultrasound, microelectrode, voltammetry, sonolysis, dosimetry

Identifiers

Local EPrints ID: 10290
URI: http://eprints.soton.ac.uk/id/eprint/10290
ISSN: 0003-2700
PURE UUID: 9e1cae67-b479-4a58-b41c-b70393209fc6
ORCID for P.R. Birkin: ORCID iD orcid.org/0000-0002-6656-4074
ORCID for T.G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

Catalogue record

Date deposited: 16 May 2005
Last modified: 29 Oct 2019 02:07

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