Table 18: Standard redoxi potentials
System	e0(V)
Li/Li+	-3.020
K/K+	-2.920
Ba/Ba2+	-2.900
Sr/Sr2+	-2.890
Ca/Ca2+	-2.870
Na/Na+	-2.710
Mg/Mg2+	-2.340
Ti/Ti2+	-1.750
Be/Be2+	-1.700
Al/Al3+	-1.660
V/V2+	-1.500
Mn/Mn2+	-1.050
Zn/Zn2+	-0.760
B/H3BO3	-0.730
Cr/Cr3+	-0.710
S2-/S	-0.550
Fe/Fe2+	-0.440
Cr2+/Cr3+	-0.410
Cd/Cd2+	-0.400
[Cu(CN)2]-/Cu	-0.400
Ti2+/Ti3+	-0.370
Tl/Tl+	-0.340
Co/Co2+	-0.280
V2+/V3+	-0.260
Ni/Ni2+	-0.230
Mo/Mo3+	-0.200
Sn/Sn2+	-0.140
Pb/Pb2+	-0.130
Fe/Fe3+	-0.040
H2/2 H+	0.000
Sn/Sn4+	0.050
Sn2+/Sn4+	0.150
Cu+/Cu2+	0.153
Bi/Bi3+	0.200
Sb/Sb3+	0.240
As/As3+	0.300
Cu/Cu2+	0.340
Co/Co3+	0.400
4OH-/O2+H2O	0.410
Cu/Cu+	0.520
2I-/I2	0.540
Te/Te4+	0.570
AsO33-/AsO43-	0.574
Fe2+/Fe3+	0.760
2Hg/Hg22+	0.800
Ag/Ag+	0.800
Pb/Pb4+	0.800
Pd/Pd2+	0.830
Hg/Hg2+	0.860
2Br-/Br2	1.070
Pt/Pt2+	1.200
2Cr3+/Cr2O72-	1.330
2Cl-/Cl2	1.360
Au/Au3+	1.380
Br-/BrO3-	1.420
Ce3+/Ce4+	1.440
Cl-/ClO3-	1.450
Mn2+/Mn3+	1.510
Ce/Ce3+	1.680
Pb2+/Pb4+	1.690
Au/Au+	1.700
Co2+/Co3+	1.840
2F-/F2	2.850