Numerical simulation of the time−dependent current to membrane−covered oxygen sensors .4. Experimental verification that the switch−on transient is non−Cottrellian for microdisc electrodes
L. Sutton‚ DJ Gavaghan and CEW Hahn
Abstract
We have undertaken an experimental investigation to determine the transient current characteristics of membrane-covered Clark-type microdisc electrode oxygen sensors and have compared the results with those obtained using the two-dimensional numerical simulation methods described previously (D.J. Gavaghan, J.S. Rollett and C.E.W. Hahn, J. Electroanal. Chem., 325 (1992) 23), We obtain improved agreement between experiment and theory, and, in particular, are able to verify the non-Cottrellian behaviour of the switch-on transient for membrane-covered microdisc electrodes that w
Details
| Journal |
Journal of Electroanalytical Chemistry |
| Keywords |
diffusion |
| Number |
1 |
| Pages |
21–31 |
| Publisher |
Elsevier Science |
| Volume |
408 |
| Year |
1996 |
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