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2011 | 9 | 3 | 466-473
Tytuł artykułu

Electrochemical behavior of some purine derivatives on carbon based electrodes

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The electrochemical behaviour of three purine derivatives was investigated by cyclic voltammetry on different electrode materials: glassy carbon in native form and electrochemically activated, carbon paste electrode unmodified or modified with 1, 4-benzoquinone. The preliminary study obtained on solid electrodes was extended to graphite based planar screen-printed electrodes, unmodified and modified with multi-wall carbon nanotubes, or cobalt phthalocyanine. The influence of some experimental parameters (pH, scan rate, concentration and electrolytic medium) on the electrochemical behaviour of these alkaloids was also examined. The electrochemical oxidation of purine derivatives is an irreversible and diffusion controlled process, proved by the linear dependence between the peak potentials and the logarithm of scan rates and between the anodic peak current and the square root of scan rate.
Wydawca

Czasopismo
Rocznik
Tom
9
Numer
3
Strony
466-473
Opis fizyczny
Daty
wydano
2011-06-01
online
2011-03-22
Twórcy
  • Iuliu Haţieganu” University
  • Babeş-Bolyai” University
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-011-0026-6
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