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2010 | 8 | 3 | 513-518
Tytuł artykułu

Theory of reverse scan square-wave voltammetry influenced by the kinetics of reactant adsorption

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A model of electrode reaction complicated by slow adsorption of the reactant is developed for square-wave voltammetry with inverse scan direction. The relationship between the dimensionless net peak current and the logarithm of dimensionless rate constant of adsorption is a curve with a minimum and a maximum. For this reason the ratio of real net peak current and the square-root of frequency is a non-linear function of the logarithm of frequency and exhibits either a maximum or a minimum. The frequency of extreme serves for the estimation of the rate constant: log(k ads /D 1/2 ) = log(k*ads )crit + 0.5 log f crit , where (k*ads )crit is a critical dimensionless rate constant of adsorption. Square-wave voltammetry is sensitive to the kinetics of adsorption if k ads 2 cm s−1 [...]
Wydawca

Czasopismo
Rocznik
Tom
8
Numer
3
Strony
513-518
Opis fizyczny
Daty
wydano
2010-06-01
online
2010-04-25
Twórcy
  • Department of Marine and Environmental Research, “Rudjer Bošković” Institute, P.O. Box 180, HR-10002, Zagreb, Hrvatska (Croatia), mlovric@irb.hr
  • Department of Marine and Environmental Research, “Rudjer Bošković” Institute, P.O. Box 180, HR-10002, Zagreb, Hrvatska (Croatia)
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
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