Determination of ascorbic acid using multi-wall carbon nanotubes immobilized on carbon paste electrode

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dc.contributor.author Vu, Dai Long
dc.contributor.author Sýs, Milan
dc.contributor.author Vytřas, Karel
dc.contributor.author Červenka, Libor
dc.date.accessioned 2014-09-25T12:26:50Z
dc.date.available 2014-09-25T12:26:50Z
dc.date.issued 2012
dc.identifier.isbn 978-80-7395-563-2 (printed)
dc.identifier.isbn 978-80-7395-564-9 (on-line)
dc.identifier.uri http://hdl.handle.net/10195/58356
dc.description.abstract In this study, multi-wall carbon nanotubes (MWCNTs) immobilized on carbon paste electrode (CPE) was employed for the amperometric detection of ascorbic acid (AA). The influence of pH on the electrocatalytic effect of MWCNTs/CPE towards the oxidation of AA was studied; the effect of the potential applied and the stirring speed for amperometric detection of AA was investigated. The calibration curve was obtained for AA concentrations in a range of 1-100 μM. The detection limit for the method proposed was found to be 0.1 μM in the amperometric mode. eng
dc.format p. 301-309 eng
dc.language.iso eng
dc.publisher Univerzita Pardubice
dc.relation.ispartof Sensing in Electroanalysis. (K. Kalcher, R. Metelka, I. Švancara, K. Vytřas; Eds.). 2012, Volume 7. eng
dc.rights open access eng
dc.subject carbon paste electrode eng
dc.subject multi-wall carbon nanotubes eng
dc.subject electrocatalytic oxidation eng
dc.subject modified electrode eng
dc.subject voltammetry eng
dc.subject amperometry eng
dc.subject determination eng
dc.subject ascorbic acid eng
dc.title Determination of ascorbic acid using multi-wall carbon nanotubes immobilized on carbon paste electrode eng
dc.type Article
dc.peerreviewed yes eng
dc.publicationstatus published eng

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