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Theoretical and experimental study of Differential Pulse Voltammetry at spherical electrodes: Measuring diffusion coefficients and formal potentials

Abstract:

Rigorous and approximate analytical expressions are deduced for Differential Pulse Voltammetry at spherical electrodes of any size, including microelectrodes, when the electrogenerated species is soluble in the electrolytic solution. From these, we examine the utility of DPV for the determination of diffusion coefficients and formal potentials, establishing the optimum conditions for this purpose. The experimental validation of the theoretical results is reported for mercury microelectrodes o...

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Publication status:
Published

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Authors


Laborda, E More by this author
Rogers, EI More by this author
Martinez-Ortiz, F More by this author
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Journal:
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume:
634
Issue:
2
Pages:
73-81
Publication date:
2009-09-15
DOI:
ISSN:
1572-6657
URN:
uuid:abc927d3-52c4-479b-83ac-f9d3f47944ba
Source identifiers:
41389
Local pid:
pubs:41389

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