c(HClO4) / mol L-1	Limiting current SA / mA cm-2 (geo)	d Limiting current SA / mA cm-2 (geo)	Limiting current O2 / mA cm-2 (geo)	d Limiting current O2 / mA cm-2 (geo)									
0.1	-192.6	5.1	-190.2	7.6									
0.25	-405.7	5.0	-396.7	2.8									
0.5	-749.1	1.6	-758.8	0.1									
1	-1238.0	16.5	-1277.8	10.0									
2	-1771.2	97.9	-1844.6	71.8									
3	-2110.9	30.5	-2178.5	77.6									
4	-2244.6	42.0	-2322.1	99.2