V. M. R. M. PonRani et al. / Natural Science 2 (2010) 1318-1325
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1323
(d)
Figure 8. Normalized concentration v at
microelectrode. The concentrations were com-
puted using Eq.20 for some value of
12
0.001,0.005mm
12
0.001,0.005mm
and the reaction/diffusion parameter
34
0.001, 0.005 kkand for various values
of (a) 0.1
T; (b)1T; (c) 10T; (d)
100
T
Figure 9. Plot of the dimensionless current,
verses time. The current were calculated
using Eq.21 for the fixed value of 31k and
for various values of the reaction/diffusion
parameter 4
k.
Figure 10. Plot of the dimensionless current,
versus time. The current were calculated using
Eq.21 for the fixed value of 41kand for various
values of the reaction/diffusion parameter 3
k.
sponds to changes in electrode size. Further, based on
the outcome of this work it is possible to calculate the
concentration and current at cylindrical and hemispheri-
cal electrode for CE mechanism.
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