Methoden vergleichen
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| Chronoamperometrie× | RDE Koutecky-Levich× | |
|---|---|---|
| Fachgebiet | Spektroskopie | Spektroskopie |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1954 | 1962 |
| Urheber≠ | Paul Delahay | Veniamin Levich |
| Typ | Electrochemical technique | Electrochemical technique |
| Wegweisende Quelle≠ | Bard, A. J., & Faulkner, L. R. (2001). Electrochemical Methods: Fundamentals and Applications. John Wiley & Sons, 2nd edition. link ↗ | Levich, V. G. (1962). Physicochemical Hydrodynamics. Prentice Hall. link ↗ |
| Aliasnamen≠ | CA, chronoamperometric method | RDE, rotating disk electrode, Koutecky-Levich |
| Verwandt | 3 | 3 |
| Zusammenfassung≠ | Chronoamperometry (CA) is an electrochemical technique that measures current as a function of time when a potential step is applied to an electrode. Developed by Delahay in the 1950s, CA reveals diffusion-controlled electrochemical processes and enables determination of diffusion coefficients, surface coverage, and kinetic rate constants by analyzing the transient current decay. | Rotating Disk Electrode (RDE) electrochemistry combined with Koutecky-Levich analysis is a powerful electrochemical technique that decouples diffusion-limited and kinetically limited electron-transfer processes. Developed by Levich in the 1960s, RDE enables determination of heterogeneous electron-transfer rate constants and mechanistic information by rotating an electrode to control mass transport. |
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