Carbon paste electrodes modified with a reaction product obtained by hydrolysis of an antimony(III) salt
ČlánekOtevřený přístuppeer-reviewedpublishedDatum publikování
2010
Vedoucí práce
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Název časopisu
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Vydavatel
Univerzita Pardubice
Abstrakt
In this article, a new type of antimony-modified electrode is described
based on carbon-paste bulk dispersion of a precipitate obtained by hydrolysis of the
respective Sb(III) salt. Subsequently, the resultant electrode (SbOL-CPE in two
variants) operated via the antimony film formed in nascenti at the electrode surface
was subjected to the basic characterisation with respect to its electroanalytical
performance in the anodic stripping voltammetry of six heavy metal ions (Zn2+, Cd2+,
Pb2+, Sn2+, In3+, and Tl+). As found out, the electrodes of interest have offered the
behaviour and functioning comparable to the two related configurations of antimony
film-plated (in situ) and antimony trioxide-modified carbon paste electrodes (SbFCPE
and Sb2O3-CPE, respectively). Most importantly, the bulk modification with
laboratory-prepared precipitate has been shown sufficiently reliable and the
compound itself fairly reducible with stable behaviour; i.e., without need to refine or
otherwise specially treat prior to use.
Rozsah stran
p. 109-125
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Zdrojový dokument
Sensing in electroanalysis. K. Vytřas, K. Kalcher, I. Švancara (Eds.). 2010, Volume 5.
Vydavatelská verze
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open access
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ISBN
978-80-7395-348-5 (printed)
978-80-7395-349-2 (on-line)
978-80-7395-349-2 (on-line)
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Klíčová slova
carbon paste electrodes, hydrolysed antimony salt, bulk modification, antimony film, anodic stripping voltammetry, electroanalytical characterisation, heavy metals ions (Zn2+, Cd2+, Pb2+, Sn2+, In3+, and Tl+)