Table 1. Summary of the kinetic data extracted from Fig. 2 .

System	k 0 /10–4 s–1	[IrO2]/μM	k cat/10–3 s–1	k 2/M–1 s–1
HClO4	7	6.2	4.0	209
		12.4	5.5
		18.6	5.9
		24.8	7.9
		31.0	9.3
NaHCO3–Na2SiF6	154	6.2	55.1	14130
		12.4	96.5
		18.6	218.6
		24.8	299.6
		31.0	391.6