Determination of the Diffusion Coefficient of Hydrogen in Aqueous Solution Using Single and Double Potential Step Chronoamperometry at a Disk Ultramicroelectrode

An assessment is made of single and double potential step chronoamperometry (SPSC and DPSC, respectively) at Pt disk ultramicroelectrodes (UMEs) as methods for determining the value of the diffusion coefficient of hydrogen in aqueous solutions. In SPSC, measured currents for the oxidation of dissolv...

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Veröffentlicht in:	Analytical chemistry (Washington) 1997-06, Vol.69 (11), p.2063-2069
Hauptverfasser:	Macpherson, Julie V, Unwin, Patrick R
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Electrochemistry Exact sciences and technology General and physical chemistry Hydrogen Study of interfaces Transport phenomena
Online-Zugang:	Volltext
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