Fig. 6. Limiting diffusion current (jL) vs. c(OH) relationship obtained upon
injection of small portions of 1 mol dm3 H2SO4 in 0.1 mol dm3 KOH solution.
Inset gives recorded chronoamperometric curve (E = 1.5 V vs. SCE, rotation rate
1800 rpm), vertical arrow shows the moment of analite injection.