Standard Reduction Potentials

1 Standard Reduction Potentials

Sorted by reduction potential.

Li⁺ + e⁻	→	Li	−3.05	Keefe
Li⁺_(aq) + e⁻	→	Li_(s)	−3.05	Stretton
Li⁺ + e⁻	→	Li_(s)	−3.045	EMS
Ca(OH)₂_(s) + 2e⁻	→	Ca_(s) + 2OH⁻	−3.03	EMS
K⁺ + e⁻	→	K	−2.93	Keefe
Rb⁺ + e⁻	→	Rb	−2.93	Keefe
Rb⁺ + e⁻	→	Rb_(s)	−2.93	EMS
Rb⁺_(aq) + e⁻	→	Rb_(s)	−2.93	Stretton
K⁺ + e⁻	→	K_(s)	−2.925	EMS
Cs⁺ + e⁻	→	Cs	−2.92	Keefe
Ra²⁺ + 2e⁻	→	Ra	−2.92	Keefe
Ra²⁺ + 2e⁻	→	Ra_(s)	−2.92	EMS
Cs⁺_(aq) +e⁻	→	Cs_(s)	−2.92	Stretton
K⁺_(aq) + e⁻	→	K_(s)	−2.92	Stretton
Cs⁺ + e⁻	→	Cs_(s)	−2.91	EMS
Ba²⁺ + 2e⁻	→	Ba_(s)	−2.906	EMS
La(OH)₃_(s) + 3e⁻	→	La_(s) + 3OH⁻	−2.90	EMS
Ba²⁺_(aq) + 2e⁻	→	Ba_(s)	−2.90	Stretton
Sr²⁺ + 2e⁻	→	Sr	−2.89	Keefe
Sr²⁺ + 2e⁻	→	Sr_(s)	−2.89	EMS
Sr²⁺_(aq) + 2e⁻	→	Sr_(s)	−2.89	Stretton
Ca²⁺ + 2e⁻	→	Ca	−2.87	Keefe
Ca²⁺ + 2e⁻	→	Ca_(s)	−2.866	EMS
Al³⁺ + 2e⁻	→	Al⁺	−2.76	EMS
Ca²⁺_(aq) + 2e⁻	→	Ca_(s)	−2.76	Stretton
Na⁺ + e⁻	→	Na_(s)	−2.714	EMS
Na⁺ + e⁻	→	Na	−2.71	Keefe
Na⁺_(aq) + e⁻	→	Na_(s)	−2.71	Stretton
Mg(OH)₂_(s) + 2e⁻	→	Mg_(s) + 2OH⁻	−2.69	EMS
Be₂O₃²⁻ + 3H₂O + 4e⁻	→	2Be_(s) + 6OH⁻	−2.62	EMS
La³⁺ + 3e⁻	→	La	−2.52	Keefe
La³⁺ + 3e⁻	→	La_(s)	−2.52	EMS
HfO(OH)₂_(s) + H₂O + 4e⁻	→	Hf_(s) + 4OH⁻	−2.50	EMS
Ce³⁺ + 3e⁻	→	Ce	−2.48	Keefe
Ce³⁺ + 3e⁻	→	Ce_(s)	−2.48	EMS
Th(OH)₄_(s) + 4e⁻	→	Th_(s) + 4OH⁻	−2.48	EMS
Pu(OH)₃_(s) + 3e⁻	→	Pu_(s) + 3OH⁻	−2.42	EMS
UO₂_(s) + 2H₂O + 4e⁻	→	U_(s) + 4OH⁻	−2.39	EMS
Y³⁺_(aq) + 3e⁻	→	Y_(s)	−2.37	Stretton
Mg²⁺_(aq) + 2e⁻	→	Mg_(s)	−2.37	Stretton
Mg²⁺ + 2e⁻	→	Mg_(s)	−2.363	EMS
Mg²⁺ + 2e⁻	→	Mg	−2.36	Keefe
H₂ZrO₃_(s) + H₂O + 4e⁻	→	Zr_(s) + 4OH⁻	−2.36	EMS
La³⁺_(aq) + 3e⁻	→	La_(s)	−2.36	Stretton
Al(OH)₃_(s) + 3e⁻	→	Al_(s) + 3OH⁻	−2.31	EMS
H₂_(g) + 2e⁻	→	2H⁻	−2.25	EMS
U(OH)₃_(s) + 3e⁻	→	U_(s) + 3OH⁻	−2.17	EMS
BaO + 2H⁺ + 2e⁻	→	Ba_(s) + H₂O	−2.166	EMS
Sc³⁺ + 3e⁻	→	Sc_(s)	−2.08	EMS
AlF₆³⁻ + 3e⁻	→	Al_(s) + 6F⁻	−2.07	EMS
Pu³⁺ + 3e⁻	→	Pu_(s)	−2.03	EMS
Sc³⁺_(aq) + 3e⁻	→	Sc_(s)	−2.02	Stretton
CaO + 2H⁺ + 2e⁻	→	Ca_(s) + H₂O	−1.90	EMS
Th⁴⁺ + 4e⁻	→	Th_(s)	−1.90	EMS
Be²⁺ + 2e⁻	→	Be	−1.85	Keefe
Be²⁺ + 2e⁻	→	Be_(s)	−1.85	EMS
U³⁺ + 3e⁻	→	U_(s)	−1.798	EMS
U³⁺ + 3e⁻	→	U	−1.79	Keefe
U³⁺_(aq) + 3e⁻	→	U_(s)	−1.79	Stretton
MgO_(s) + 2H⁺ + 2e⁻	→	Mg_(s) + H₂O	−1.722	EMS
Hf⁴⁺ + 4e⁻	→	Hf_(s)	−1.70	EMS
HfO²⁺ + 2H⁺ + 4e⁻	→	Hf_(s) + H₂O	−1.70	EMS
Al³⁺ + 3e⁻	→	Al_(s)	−1.662	EMS
Al³⁺ + 3e⁻	→	Al	−1.66	Keefe
Al³⁺_(aq) + 3e⁻	→	Al_(s)	−1.66	Stretton
Ti²⁺ + 2e⁻	→	Ti	−1.63	Keefe
Ti²⁺ + 2e⁻	→	Ti_(s)	−1.630	EMS
Ti²⁺_(aq) + 2e⁻	→	Ti_(s)	−1.63	Stretton
HfO₂_(s) + 4H⁺ + 4e⁻	→	Hf_(s) + 2H₂O	−1.57	EMS
ZrO²⁺ + 2H⁺ + 4e⁻	→	Zr_(s) + H₂O	−1.570	EMS
ZrO₂·2H₂O + 4H⁺ + 4e⁻	→	Zr_(s) + 4H₂O	−1.553	EMS
Mn(OH)₂_(s) + 2e⁻	→	Mn_(s) + 2OH⁻	−1.55	EMS
Zr⁴⁺ + 4e⁻	→	Zr_(s)	−1.539	EMS
ZrO₂·H₂O_(s) + 4H⁺ + 4e⁻	→	Zr_(s) + 3H₂O	−1.533	EMS
Pb_(s) + 2H⁺ + 2e⁻	→	PbH₂	−1.507	EMS
ZrO₂_(s) + 4H⁺ + 4e⁻	→	Zr_(s) + 2H₂O	−1.456	EMS
UO₂_(s) + 4H⁺ + 4e⁻	→	U_(s) + 2H₂O	−1.444	EMS
ZnS_(s) + 2e⁻	→	Zn_(s) + S²⁻	−1.40	EMS
HZrO₃⁻ + 5H⁺ + 4e⁻	→	Zr_(s) + 3H₂O	−1.276	EMS
AlO₂⁻ + 4H⁺ + 3e⁻	→	Al_(s) + 2H₂O	−1.262	EMS
Zn(CN)₄²⁺ + 2e⁻	→	Zn_(s) + 4CN⁻	−1.26	EMS
Zn(OH)₂_(s) + 2e⁻	→	Zn_(s) + 2OH⁻	−1.245	EMS
H₂GaO₃⁻ + 3e⁻	→	Ga_(s) + 4OH⁻	−1.22	EMS
ZnO₂²⁻ + 2H₂O + 2e⁻	→	Zn_(s) + 4OH⁻	−1.216	EMS
ZnO₂⁻_(aq) + 2 H₂O_(l)+ 2e⁻	→	Zn_(s) + 4OH⁻_(aq)	−1.216	Stretton
SiF₆²⁻ + 4e⁻	→	Si_(s) + 6F⁻	−1.2	EMS
V²⁺ + 2e⁻	→	V	−1.19	Keefe
TiF₆²⁻ + 4e⁻	→	Ti_(s) + 6F⁻	−1.19	EMS
Mn²⁺ + 2e⁻	→	Mn	−1.18	Keefe
Mn²⁺ + 2e⁻	→	Mn_(s)	−1.180	EMS
V²⁺ + 2e⁻	→	V_(s)	−1.18	EMS
V²⁺_(aq) + 2e⁻	→	V_(s)	−1.18	Stretton
CdS_(s) + 2e⁻	→	Cd_(s) + S²⁻	−1.17	EMS
N₂_(g) + 4 H₂O_(l) + 4e⁻	→	N₂O₄_(aq) +4 OH⁻_(aq)	−1.16	Stretton
Te_(s) + 2e⁻	→	Te²⁻	−1.14	EMS
Nb³⁺ + 3e⁻	→	Nb_(s)	−1.1	EMS
Cd(CN)₄²⁻ + 2e⁻	→	Cd_(s) + 4CN⁻	−1.09	EMS
Sn_(s) + 4H⁺ + 4e⁻	→	SnH₄_(g)	−1.074	EMS
MoO₄²⁻ + 4H₂O + 6e⁻	→	Mo_(s) + 8OH⁻	−1.05	EMS
BF₄⁻ + 3e⁻	→	B_(s) + 4F⁻	−1.04	EMS
Zn(NH₃)₄²⁺ + 2e⁻	→	Zn_(s) + 4NH₃	−1.04	EMS
In(OH)₃ + 3e⁻	→	In_(s) + 3OH⁻	−1.0	EMS
NiS_(s) + 2e⁻	→	Ni_(s) + S²⁻	−0.99	EMS
CNO⁻ + 2H₂O + 2e⁻	→	CN⁻ + 2OH⁻	−0.97	EMS
Pu(OH)₄_(s) + e⁻	→	Pu(OH)₃_(s) + OH⁻	−0.95	EMS
2H₃PO₄ + 2H⁺ + 2e⁻	→	H₄P₂O₆ + 2H₂O	−0.94	EMS
SO₄²⁻ + 4H₂O + 2e⁻	→	SO₃⁻ + 2OH⁻	−0.93	EMS
Se_(s) + 2e⁻	→	Se²⁻	−0.924	EMS
Cr²⁺ + 2e⁻	→	Cr	−0.91	Keefe
Cr²⁺ + 2e⁻	→	Cr_(s)	−0.91	EMS
Cr²⁺_(aq) + 2e⁻	→	Cr_(s)	−0.91	Stretton
Ti^IV + 4e⁻	→	Ti_(s)	−0.88	EMS
Fe(OH)_2(s) + 2e⁻	→	Fe_(s)+ 2 OH⁻_(aq)	−0.88	Stretton
B(OH)₃ + 3H⁺ + 3e⁻	→	B_(s) + 3H₂O	−0.87	EMS
H₃BO₃ + 3H⁺ + 3e⁻	→	B_(s) + 3H₂O	−0.869	EMS
SiO₂_(s) + 4H⁺ + 4e⁻	→	Si_(s) + 2H₂O	−0.86	EMS
H₂B₄O₇ + 12H⁺ + 12e⁻	→	4B_(s) + 7H₂O	−0.836	EMS
2H₂O + 2e⁻	→	H₂ + 2OH⁻	−0.83	Keefe
2H₂O + 2e⁻	→	H₂_(g) + 2OH⁻	−0.83	EMS
2 H₂O_(l) + 2e⁻	→	H₂_(g)+ 2 OH⁻_(aq)	−0.83	Stretton
Cd(OH)₂ + 2e⁻	→	Cd + 2OH⁻	−0.81	Keefe
Cd(OH)₂_(s) + 2e⁻	→	Cd_(s) + 2OH⁻	−0.81	EMS
Ta₂O₅ + 10H⁺ + 10e⁻	→	2Ta_(s) + 5H₂O	−0.81	EMS
Cd(OH)_2(s) + 2e⁻	→	Cd_(s)+ 2 OH⁻_(aq)	−0.81	Stretton
Bi_(s) + 3H⁺ + 3e⁻	→	BiH₃_(g)	−0.800	EMS
B₄O₇²⁻ + 14H⁺ + 12e⁻	→	4B_(s) + 7H₂O	−0.792	EMS
H₂SiO₃ + 4H⁺ + 4e⁻	→	Si_(s) + 3H₂O	−0.780	EMS
TlI_(s) + e⁻	→	Tl_(s) + I⁻	−0.766	EMS
Zn²⁺ + 2e⁻	→	Zn_(s)	−0.763	EMS
Zn²⁺ + 2e⁻	→	Zn	−0.76	Keefe
Zn²⁺_(aq) + 2e⁻	→	Zn_(s)	−0.76	Stretton
Cr³⁺ + 3e⁻	→	Cr_(s)	−0.744	EMS
Cr³⁺ + 3e⁻	→	Cr	−0.74	Keefe
Cr³⁻_(aq) + 3e⁻	→	Cr_(s)	−0.74	Stretton
Te_(s) + 2H⁺ + 2e⁻	→	H₂Te_(g)	−0.739	EMS
Co(OH)₂_(s) + 2e⁻	→	Co_(s) + 2OH⁻	−0.73	EMS
Ni₃O₄_(s) + 2H₂O + 2e⁻	→	3HNiO₂⁻ + H⁺	−0.718	EMS
Ag₂S_(s) + 2e⁻	→	2Ag_(s) + S²⁻	−0.712	EMS
HgS_(s) + 2e⁻	→	Hg + S²⁻	−0.70	EMS
H₂BO₃⁻ + 4H⁺ + 3e⁻	→	B_(s) + 3H₂O	−0.687	EMS
H₂AsO₃⁻ + H₂O + 3e⁻	→	As_(s) + 4OH⁻	−0.68	EMS
AsO₄³⁻ + 3H₂O + 2e⁻	→	H₂AsO₃⁻ + 4OH⁻	−0.67	EMS
HgS_(s) + 2e⁻	→	Hg_(l) + S²⁻	−0.67	EMS
TiO₂_(s) + 4H⁺ + e⁻	→	Ti³⁺ + H₂O	−0.666	EMS
TlBr_(s) + e⁻	→	Tl_(s) + Br⁻	−0.657	EMS
Nb₂O₅_(s) + 10H⁺ + 10e⁻	→	2Nb_(s) + 5H₂O	−0.65	EMS
HSiO₃⁻ + 5H⁺ + 4e⁻	→	Si_(s) + 3H₂O	−0.632	EMS
NbO(SO₄)₂⁻ + 2H⁺ + 5e⁻	→	Nb_(s) + H₂O + 2SO₄²⁻	−0.63	EMS
N₃⁻ + 7H₂O + 6e⁻	→	N₂H₄ + NH₃_(g) + 7OH⁻	−0.62	EMS
U⁴⁺ + e⁻	→	U³⁺	−0.61	Keefe
Cd(NH₃)₄²⁺ + 2e⁻	→	Cd_(s) + 4NH₃	−0.61	EMS
As_(s) + 3H⁺ + 3e⁻	→	AsH₃_(g)	−0.608	EMS
U⁴⁺ + e⁻	→	U³⁺	−0.607	EMS
ReO₄⁻ + 2H₂O + 3e⁻	→	ReO₂_(s) + 4OH⁻	−0.595	EMS
ReO₄⁻ + 4H₂O + 7e⁻	→	Re_(s) + 8OH⁻	−0.584	EMS
PbO_(s) + H₂O_(l) + 2e⁻	→	Pb_(s) + 2 OH⁻_(aq)	−0.58	Stretton
O₂ + e⁻	→	O₂⁻	−0.56	Keefe
Ga³⁺ + 3e⁻	→	Ga_(s)	−0.56	EMS
Ga³⁺_(aq) + 3e⁻	→	Ga_(s)	−0.56	Stretton
TlCl_(s) + e⁻	→	Tl_(s) + Cl⁻	−0.557	EMS
Al⁺ + e⁻	→	Al_(s)	−0.55	EMS
UOH³⁺ + H⁺ + e⁻	→	U³⁺ + H₂O	−0.538	EMS
S₂²⁻ + 2e⁻	→	2S²⁻	−0.524	EMS
Sb_(s) + 3H⁺ + 3e⁻	→	SbH₃_(g)	−0.510	EMS
Se_(s) + H⁺ + 2e⁻	→	HSe⁻	−0.510	EMS
H₃PO₃ + 3H⁺ + 3e⁻	→	P + 3H₂O	−0.502	EMS
TiO₂_(s) + 4H⁺ + 2e⁻	→	Ti²⁺ + H₂O	−0.502	EMS
H₃PO₃ + 2H⁺ + 2e⁻	→	H₃PO₂ + H₂O	−0.499	EMS
In³⁺ + e⁻	→	In²⁺	−0.49	Keefe
2CO₂_(g) + 2H⁺ + 2e⁻	→	H₂C₂O₄	−0.49	EMS
Ni(NH₃)₆²⁺ + 2e⁻	→	Ni_(s) + 6NH₃	−0.49	EMS
S + 2e⁻	→	S²⁻	−0.48	Keefe
S_(s) + 2e⁻	→	S²⁻	−0.476	EMS
H₂PO₃⁻ + 4H⁺ + 3e⁻	→	P + 3H₂O	−0.467	EMS
Bi₂O₃_(s) + 3H₂O + 6e⁻	→	2Bi_(s) + 6OH⁻	−0.46	EMS
SiO₃²⁻ + 6H⁺ + 4e⁻	→	Si_(s) + 3H₂O	−0.455	EMS
H₃PO₃ + 3H⁺ + 3e⁻	→	P + 3H₂O	−0.454	EMS
H₂PO₄⁻ + H⁺ + 2e⁻	→	HPO₃²⁻ + H₂O	−0.447	EMS
Fe²⁺ + 2e⁻	→	Fe	−0.44	Keefe
In³⁺ + 2e⁻	→	In⁺	−0.44	Keefe
Fe²⁺ + 2e⁻	→	Fe_(s)	−0.440	EMS
Fe²⁺_(aq) + 2e⁻	→	Fe_(s)	−0.44	Stretton
HBO₃²⁻ + 5H⁺ + 3e⁻	→	B_(s) + 3H₂O	−0.437	EMS
H₂PO₃⁻ + 4H⁺ + 3e⁻	→	P + 3H₂O	−0.419	EMS
H₃PO₄ + 5H⁺ + 5e⁻	→	P + 4H₂O	−0.411	EMS
Cr³⁺ + e⁻	→	Cr²⁺	−0.41	Keefe
2H⁺ + 2e⁻	→	H₂_(g)	−0.41	EMS
Cr³⁺ + e⁻	→	Cr²⁺	−0.408	EMS
In³⁺ + 2e⁻	→	In⁺	−0.404	EMS
Cd²⁺ + 2e⁻	→	Cd_(s)	−0.403	EMS
Cd²⁺ + 2e⁻	→	Cd	−0.40	Keefe
In²⁺ + e⁻	→	In⁺	−0.40	Keefe
Ga³⁺ + 2e⁻	→	Ga⁺	−0.4	EMS
Ni(CN)₄²⁻ + e⁻	→	Ni(CN)₃⁻ + CN⁻	−0.4	EMS
Cd²⁺_(aq) + 2e⁻	→	Cd_(s)	−0.40	Stretton
Se_(s) + 2H⁺ + 2e⁻	→	H₂Se_(g)	−0.399	EMS
Pb₃O₄_(s) + 2H₂O + 2e⁻	→	3HPbO₂⁻ + H⁺	−0.390	EMS
H₂PO₄⁻ + 6H⁺ + 5e⁻	→	P + 4H₂O	−0.386	EMS
H₃PO₄ + 5H⁺ + 5e⁻	→	P + 4H₂O	−0.383	EMS
SiO₂_(s) + 8H⁺ + 8e⁻	→	SiH₄_(g) + 2H₂O	−0.377	EMS
Nb^V + 2e⁻	→	Nb^III	−0.373	EMS
Ti³⁺ + e⁻	→	Ti²⁺	−0.37	Keefe
Hg(CN)₄²⁻ + 2e⁻	→	Hg_(l) + 4CN⁻	−0.37	EMS
Se_(s) + 2H⁺ + 2e⁻	→	H₂Se_(g)	−0.369	EMS
Ti³⁺ + e⁻	→	Ti²⁺	−0.369	EMS
PbSO₄ + 2e⁻	→	Pb + SO₄²⁻	−0.36	Keefe
PbSO_4(s) + 2e⁻	→	Pb_(s)+ SO₄²⁻_(aq)	−0.36	Stretton
H₂PO₄⁻ + 6H⁺ + 5e⁻	→	P + 4H₂O	−0.358	EMS
PbSO₄ + 2e⁻	→	Pb_(s) + SO₄²⁻	−0.350	EMS
HPO₃²⁻ + 5H⁺ + 3e⁻	→	P + 3H₂O	−0.346	EMS
In³⁺ + 3e⁻	→	In_(s)	−0.345	EMS
TlOH + e⁻	→	Tl_(s) + OH⁻	−0.344	EMS
NbO³⁺ + 2H⁺ + 2e⁻	→	Nb³⁺ + H₂O	−0.343	EMS
Tl⁺ + e⁻	→	Tl	−0.34	Keefe
In³⁺_(aq) + 3e⁻	→	In_(s)	−0.34	Stretton
Tl⁺_(aq) + e⁻	→	Tl_(s)	−0.34	Stretton
H₂SiO₃ + 8H⁺ + 8e⁻	→	SiH₄_(g) + 3H₂O	−0.339	EMS
Tl⁺ + e⁻	→	Tl_(s)	−0.336	EMS
H₃PO₄ + H⁺ + 2e⁻	→	H₂PO₃⁻ + H₂O	−0.329	EMS
HPO₄²⁻ + 7H⁺ + 5e⁻	→	P + 4H₂O	−0.316	EMS
Ag(CN)₂⁻ + e⁻	→	Ag_(s) + 2CN⁻	−0.31	EMS
HPO₃²⁻ + 5H⁺ + 3e⁻	→	P + 3H₂O	−0.298	EMS
GeO_(s) + 2H⁺ + 2e⁻	→	Ge_(s) + H₂O	−0.29	EMS
Pb²⁺ + 2e⁻	→	Pb_(s)	−0.29	EMS
HPO₄²⁻ + 7H⁺ + 5e⁻	→	P + 4H₂O	−0.288	EMS
H₃PO₄ + 8H⁺ + 8e⁻	→	PH₃_(g) + 4H₂O	−0.281	EMS
Co²⁺ + 2e⁻	→	Co	−0.28	Keefe
Co²⁺_(aq) +2e⁻	→	Co_(s)	−0.28	Stretton
Co²⁺ + 2e⁻	→	Co_(s)	−0.277	EMS
H₃PO₄ + 2H⁺ + 2e⁻	→	H₃PO₃ + H₂O	−0.276	EMS
H₂PO₄⁻ + 9H⁺ + 8e⁻	→	PH₃_(g) + 4H₂O	−0.265	EMS
HSiO₃⁻ + 9H⁺ + 8e⁻	→	SiH₄_(g) + 3H₂O	−0.265	EMS
V³⁺ + e⁻	→	V²⁺	−0.26	Keefe
H₂PO₄⁻ + 2H⁺ + 2e⁻	→	H₂PO₃⁻ + H₂O	−0.260	EMS
V³⁺ + e⁻	→	V²⁺	−0.256	EMS
GeO₂_(s) + 4H⁺ + 2e⁻	→	Ge²⁺ + 2H₂O	−0.25	EMS
Ni²⁺ + 2e⁻	→	Ni_(s)	−0.250	EMS
Ni²⁺_(aq) + 2e⁻	→	Ni_(s)	−0.25	Stretton
Mn(CN)₆³⁻ + e⁻	→	Mn(CN)₆⁴⁻	−0.244	EMS
HPO₄²⁻ + 2H⁺ + 2e⁻	→	HPO₃²⁻ + H₂O	−0.234	EMS
Ni²⁺ + 2e⁻	→	Ni	−0.23	Keefe
N₂_(g) + 5H⁺ + 4e⁻	→	N₂H₅⁺	−0.23	EMS
HPO₄²⁻ + 10H⁺ + 8e⁻	→	PH₃_(g) + 4H₂O	−0.212	EMS
V³⁺ + e⁻	→	V²⁺	−0.21	EMS
CO₂_(g) + 2H⁺ + 2e⁻	→	HCOOH	−0.20	EMS
Mo^III + 3e⁻	→	Mo_(s)	−0.2	EMS
CuI_(s) + e⁻	→	Cu_(s) + I⁻	−0.185	EMS
SiO₃²⁻ + 10H⁺ + 8e⁻	→	SiH₄_(g) + 3H₂O	−0.176	EMS
BO₃³⁻ + 6H⁺ + 3e⁻	→	B_(s) + 3H₂O	−0.165	EMS
HMnO₂⁻ + 3H⁺ + 2e⁻	→	Mn_(s) + 2H₂O	−0.163	EMS
Sn²⁺ + 2e⁻	→	Sn_(s)	−0.16	EMS
PO₄³⁻ + 8H⁺ + 5e⁻	→	P + 4H₂O	−0.156	EMS
AgI_(s) + e⁻	→	Ag_(s) + I⁻	−0.151	EMS
AgI + e⁻	→	Ag + I⁻	−0.15	Keefe
OsO₂_(s) + 2H₂O + 4e⁻	→	Os_(s) + 4OH⁻	−0.15	EMS
AgI_(s) + e⁻	→	Ag_(s) +I⁻_(aq)	−0.15	Stretton
In⁺ + e⁻	→	In	−0.14	Keefe
Sn²⁺ + 2e⁻	→	Sn	−0.14	Keefe
Pb²⁺ + 2e⁻	→	Pb_(s)	−0.14	EMS
Sn²⁺_(aq) + 2e⁻	→	Sn_(s)	−0.14	Stretton
Sn²⁺ + 2e⁻	→	Sn_(s)	−0.136	EMS
TiO²⁺ + 2H⁺ + 2e⁻	→	Ti²⁺ + H₂O	−0.135	EMS
Pb²⁺ + 2e⁻	→	Pb	−0.13	Keefe
CrO₄²⁻ + 4H₂O + 3e⁻	→	Cr(OH)₃_(s) + 5OH⁻	−0.13	EMS
H₂GeO₃ + 4H⁺ + 4e⁻	→	Ge_(s) + 3H₂O	−0.13	EMS
Pb²⁺_(aq) + 2e⁻	→	Pb_(s)	−0.13	Stretton
PO₄³⁻ + 8H⁺ + 5e⁻	→	P + 4H₂O	−0.128	EMS
Pb²⁺ + 2e⁻	→	Pb_(s)	−0.126	EMS
PO₄³⁻ + 11H⁺ + 8e⁻	→	PH₃_(g) + 4H₂O	−0.123	EMS
CO₂_(g) + 2H⁺ + 2e⁻	→	CO_(g) + H₂O	−0.12	EMS
Cu(NH₃)₂⁺ + e⁻	→	Cu_(s) + 2NH₃	−0.12	EMS
WO₂_(s) + 4H⁺ + 4e⁻	→	W_(s) + 2H₂O	−0.12	EMS
P + 3H⁺ + 3e⁻	→	PH₃_(g)	−0.111	EMS
NbO(SO₄)₂⁻ + 2H⁺ + 2e⁻	→	Nb³⁺ + H₂O + 2SO₄²⁻	−0.1	EMS
Ti^IV + e⁻	→	Ti^III	−0.092	EMS
WO₃_(s) + 6H⁺ + 6e⁻	→	W_(s) + 3H₂O	−0.09	EMS
VOH²⁺ + H⁺ + e⁻	→	V²⁺ + H₂O	−0.082	EMS
O₂ + H₂O + 2e⁻	→	HO₂⁻ + OH⁻	−0.08	Keefe
Cu(NH₃)₄²⁺ + 2e⁻	→	Cu_(s) + 4NH₃	−0.07	EMS
S_(s) + H⁺ + 2e⁻	→	HS⁻	−0.065	EMS
P + 3H⁺ + 3e⁻	→	PH₃_(g)	−0.063	EMS
HZnO₂⁻ + 3H⁺ + 2e⁻	→	Zn_(s) + 2H₂O	−0.054	EMS
VO²⁺ + e⁻	→	VO⁺	−0.044	EMS
Fe³⁺ + 3e⁻	→	Fe	−0.04	Keefe
Fe³⁺ + 3e⁻	→	Fe_(s)	−0.04	EMS
Hg₂I₂_(s) + 2e⁻	→	2Hg_(l) + 2I⁻	−0.04	EMS
Ag₂S_(s) + 2H⁺ + 2e⁻	→	2Ag_(s) + H₂S_(g)	−0.036	EMS
W₂O₅_(s) + 2H⁺ + 2e⁻	→	2WO₂_(s) + H₂O	−0.031	EMS
2WO₃_(s) + 2H⁺ + 2e⁻	→	W₂O₅_(s) + H₂O	−0.029	EMS
Cu(NH₃)₄²⁺ + e⁻	→	Cu(NH₃)₂⁺ + 2NH₃	−0.01	EMS
GeO₂_(s) + 4H⁺ + 4e⁻	→	Ge + 2H₂O	−0.01	EMS
2H⁺ + 2e⁻	→	H₂_(g)	−0.005	EMS
2H⁺ + 2e⁻	→	H₂_(g)	−0.005	EMS
2H⁺ + 2e⁻	→	H₂	0	Keefe
Ti⁴⁺ + e⁻	→	Ti³⁺	0.00	Keefe
Ge²⁺ + 2e⁻	→	Ge_(s)	0.00	EMS
2H⁺ + 2e⁻	→	H₂_(g)	0.000	EMS
2 H⁺_(aq) + 2e⁻	→	H₂_(g)	0.00	Stretton
S₅²⁻ + 5H⁺ + 8e⁻	→	5HS⁻	+0.003	EMS
Sn⁴⁺ + 4e⁻	→	Sn_(s)	+0.01	EMS
Ag(S₂O₃)₂³⁻ + e⁻	→	Ag_(s) + 2S₂O₃²⁻	+0.017	EMS
Tl₂O₃ + 3H₂O + 4e⁻	→	2Tl⁺ + 6OH⁻	+0.02	EMS
S₂O₆²⁻ + 2e⁻	→	2SO₃²⁻	+0.026	EMS
S₄²⁻ + 4H⁺ + 6e⁻	→	4HS⁻	+0.033	EMS
TiO²⁺ + 2H⁺ + e⁻	→	Ti³⁺ + H₂O	+0.04	EMS
WO₄²⁻ + 8H⁺ + 6e⁻	→	W_(s) + 4H₂O	+0.049	EMS
SeO₄²⁻ + H₂O + 2e⁻	→	SeO₃²⁻ + 2OH⁻	+0.05	EMS
UO₂²⁺ + e⁻	→	UO₂⁺	+0.052	EMS
N₂_(g) + 6H⁺ + 6e⁻	→	2NH₃_(g)	+0.057	EMS
Pd(OH)₂_(s) + 2e⁻	→	Pd_(s) + 2OH⁻	+0.07	EMS
AgBr_(s) + e⁻	→	Ag_(s)+ Br⁻_(aq)	+0.07	Stretton
AgBr + e⁻	→	Ag + Br⁻	+0.0713	Keefe
AgBr_(s) + e⁻	→	Ag_(s) + Br⁻	+0.073	EMS
O₂_(g) + H₂O + 2e⁻	→	HO₂⁻ + OH⁻	+0.076	EMS
S₄O₆²⁻ + 2e⁻	→	2S₂O₃²⁻	+0.08	EMS
N₂_(g) + 2H₂O + 6H⁺ + 6e⁻	→	2NH·H2O	+0.092	EMS
S₃²⁻ + 3H⁺ + 4e⁻	→	3HS⁻	+0.097	EMS
TiO²⁺ + 2H⁺ + e⁻	→	Ti³⁺ + H₂O	+0.099	EMS
NO₃⁻ + H₂O + 2e⁻	→	NO₂⁻ + 2OH⁻	+0.10	Keefe
Co(NH₃)₆³⁺ + e⁻	→	Co(NH₃)₆²⁺	+0.1	EMS
HgO_(s) + H₂O + 2e⁻	→	Hg_(l) + 2OH⁻	+0.10	EMS
IrO₂_(s) + 2H₂O + 4e⁻	→	Ir_(s) + 4OH⁻	+0.1	EMS
Ir₂O₃ + 3H₂O + 6e⁻	→	2Ir_(s) + 6OH⁻	+0.1	EMS
Mn(OH)₃_(s) + e⁻	→	Mn(OH)₂_(s) + 2OH⁻	+0.1	EMS
OsO₄²⁻ + 2H₂O + 2e⁻	→	OsO₂_(s) + 4OH⁻	+0.1	EMS
Si_(s) + 4H⁺ + 4e⁻	→	SiH₄_(g)	+0.102	EMS
PO₄³⁻ + 3H⁺ + 2e⁻	→	HPO₃²⁻ + H₂O	+0.121	EMS
TeO₂⁺ + 5H⁺ + 6e⁻	→	H₂Te_(g) + 2H₂O	+0.121	EMS
VO⁺ + 2H⁺ + e⁻	→	V²⁺ + H₂O	+0.126	EMS
Te⁴⁺ + 2H⁺ + 6e⁻	→	H₂Te_(g)	+0.132	EMS
Hg₂Br₂_(s) + 2e⁻	→	2Hg_(l) + 2Br⁻	+0.14	EMS
Sn⁴⁺ + 2e⁻	→	Sn²⁺	+0.14	EMS
S_(s) + 2H⁺_(aq) + 2e⁻	→	H₂S_(g)	+0.14	Stretton
S_(s) + 2H⁺ + 2e⁻	→	H₂S_(g)	+0.141	EMS
SO₄²⁻ + 8H⁺ + 8e⁻	→	S²⁻ + 4H₂O	+0.149	EMS
Sn⁴⁺ + 2e⁻	→	Sn²⁺	+0.15	Keefe
Pt(OH)₂_(s) + 2e⁻	→	Pt_(s) + 2OH⁻	+0.15	EMS
Sn⁴⁺_(aq) + 2e⁻	→	Sn²⁺_(aq)	+0.15	Stretton
Sb₂O₃_(s) + 6H⁺ + 6e⁻	→	2Sb_(s) + 3H₂O	+0.152	EMS
Cu²⁺ + e⁻	→	Cu⁺	+0.153	EMS
MoO₄²⁻ + 8H⁺ + 6e⁻	→	Mo_(s) + 4H₂O	+0.154	EMS
Sn⁴⁺ + 2e⁻	→	Sn²⁺	+0.154	EMS
Cu²⁺ + e⁻	→	Cu⁺	+0.16	Keefe
BiOCl_(s) + 2H⁺ + 3e⁻	→	Bi_(s) + H₂O + Cl⁻	+0.160	EMS
BiCl₄⁻ + 3e⁻	→	Bi_(s) + 4Cl⁻	+0.16	EMS
Cu²⁺_(aq) + e⁻	→	Cu⁺_(aq)	+0.16	Stretton
V₂O₃ + 6H⁺ + 2e⁻	→	2V²⁺ + 3H₂O	+0.161	EMS
VO²⁺ + H⁺ + e⁻	→	VOH²⁺	+0.164	EMS
S₄O₆²⁻_(aq) + 2e⁻	→	2 S₂O₃²⁻_(aq)	+0.169	Stretton
CoO(OH)_(s) + H₂O + e⁻	→	Co(OH)₂_(s) + OH⁻	+0.17	EMS
SO₄²⁻ + 4H⁺ + 2e⁻	→	H₂SO₃ + H₂O	+0.172	EMS
SO₄²⁻_(aq) + 4H⁺_(aq)+ 2e⁻	→	H₂SO₃_(aq) + H₂O_(l)	+0.172	Stretton
Bi³⁺ + 3e⁻	→	Bi	+0.20	Keefe
2Cu²⁺ + H₂O + 2e⁻	→	Cu₂O_(s) + 2H⁺	+0.20	EMS
MnO₂_(s) + 4H⁺ + 2e⁻	→	Mn²⁺ + 2H₂O	+0.21	EMS
SbO⁺ + 2H⁺ + 3e⁻	→	Sb_(s) + H₂O	+0.212	EMS
Bi³⁺ + 3e⁻	→	Bi_(s)	+0.215	EMS
AgCl + e⁻	→	Ag + Cl⁻	+0.22	Keefe
AgCl_(s) + e⁻	→	Ag_(s) + Cl⁻	+0.222	EMS
AgCl_(s) + e⁻	→	Ag_(s)+ Cl⁻_(aq)	+0.2223	Stretton
Ag⁺ + e⁻	→	Ag_(s)	+0.228	EMS
AgCl_(s) + e⁻	→	Ag_(s) + Cl⁻	+0.228	EMS
HSbO₂ + 3H⁺ + 3e⁻	→	Sb_(s) + 2H₂O	+0.230	EMS
SO₃²⁻ + 6H⁺ + 6e⁻	→	S²⁻ + 3H₂O	+0.231	EMS
As₂O₃_(s) + 6H⁺ + 6e⁻	→	2As_(s) + 3H₂O	+0.234	EMS
Hg₂Cl₂_(s) + 2e⁻	→	2Hg_(l) + 2Cl⁻	+0.244	EMS
V₂O₄ + 4H⁺ + 2e⁻	→	2VO⁺ + 2H₂O	+0.246	EMS
H₃AsO₃ + 3H⁺ + 3e⁻	→	As_(s) + 3H₂O	+0.248	EMS
Pb₃O₄_(s) + H₂O + 2e⁻	→	3PbO_(s) + 2OH⁻	+0.249	EMS
PbO_(s) + 2H⁺ + 2e⁻	→	Pb_(s) + H₂O	+0.249	EMS
PbO_2(s) + H₂O_(l) + 2e⁻	→	PbO_(s) + 2 OH⁻_(aq)	+0.25	Stretton
SO₄²⁻ + 9H⁺ + 8e⁻	→	HS⁻ + 4H₂O	+0.252	EMS
AsO⁺ + 2H⁺ + 3e⁻	→	As_(s) + H₂O	+0.254	EMS
BiOH²⁺ + H⁺ + 3e⁻	→	Bi_(s) + H₂O	+0.254	EMS
ReO₂_(s) + 4H⁺ + 4e⁻	→	Re_(s) + 2H₂O	+0.26	EMS
U₃O₈_(s) + 4H⁺ + 4e⁻	→	3UO₂ + 2H₂O	+0.260	EMS
Hg₂Cl₂_(s) + 2e⁻	→	2Hg_(l) + 2Cl⁻	+0.268	EMS
Hg₂Cl₂ + 2e⁻	→	2Hg + Cl⁻	+0.27	Keefe
Hg₂Cl_2(s) + 2e⁻	→	2 Hg_(l)+ 2 Cl⁻_(aq)	+0.27	Stretton
Hg₂²⁺ + 2e⁻	→	2Hg_(l)	+0.274	EMS
N₂_(g) + 8H⁺ + 6e⁻	→	2NH₄⁺	+0.275	EMS
SeO₃²⁻ + 6H⁺ + 6e⁻	→	Se²⁻ + 3H₂O	+0.276	EMS
Hg₂Cl₂_(s) + 2e⁻	→	2Hg_(l) + 2Cl⁻	+0.282	EMS
HSO₄⁻ + 9H⁺ + 8e⁻	→	H₂S_(g) + 4H₂O	+0.289	EMS
Cr₂O₇²⁻ + 14H⁺ + 12e⁻	→	2Cr_(s) + 7H₂O	+0.29	EMS
3PbO₂_(s) + 2H₂O + 4e⁻	→	Pb₃O₄_(s) + 4OH⁻	+0.295	EMS
S₂²⁻ + 2H⁺ + 2e⁻	→	2HS⁻	+0.298	EMS
UO₂²⁺ + 3H⁺ + 2e⁻	→	UOH³⁺ + H₂O	+0.299	EMS
HOsO₅⁻ + 2e⁻	→	OsO₄²⁻ + OH⁻	+0.3	EMS
Re³⁺ +3e⁻	→	Re_(s)	+0.3	EMS
RuCl₅⁻ + 2e⁻	→	Ru²⁺ + 5Cl⁻	+0.3	EMS
SO₄²⁻ + 10H⁺ + 8e⁻	→	H₂S_(g) + 4H₂O	+0.303	EMS
BiO⁺ + 2H⁺ + 3e⁻	→	Bi_(s) + H₂O	+0.320	EMS
2HCNO + 2H⁺ + 2e⁻	→	(CN)₂_(g) + 2H₂O	+0.33	EMS
ClO₃⁻ + H₂O + 2e⁻	→	ClO₂⁻ + 2OH⁻	+0.33	EMS
HSnO₂⁻ + 3H⁺ + 2e⁻	→	Sn_(s) + 2H₂O	+0.333	EMS
Hg₂Cl₂_(s) + 2e⁻	→	2Hg_(l) + 2Cl⁻	+0.334	EMS
UO₂²⁺ + 4H⁺ + 2e⁻	→	U⁴⁺ + 2H₂O	+0.334	EMS
Cu²⁺ + 2e⁻	→	Cu_(s)	+0.337	EMS
HSO₄⁻ + 7H⁺ + 6e⁻	→	S_(s) + 4H₂O	+0.339	EMS
Cu²⁺ + 2e⁻	→	Cu	+0.34	Keefe
In³⁺ + 3e⁻	→	In	+0.34	Keefe
Cu²⁺_(aq) + 2e⁻	→	Cu_(s)	+0.34	Stretton
Ag₂O_(s) + H₂O + 2e⁻	→	2Ag_(s) + 2OH⁻	+0.342	EMS
HSeO₃⁻ + 6H⁺ + 6e⁻	→	HSe⁻ + 3H₂O	+0.349	EMS
SbO₃⁻ + 2H⁺ + 2e⁻	→	SbO₂⁻ + H₂O	+0.353	EMS
SO₄²⁻ + 8H⁺ + 6e⁻	→	S_(s) + 4H₂O	+0.357	EMS
VO²⁺ + 2H⁺ + e⁻	→	V³⁺ + H₂O	+0.359	EMS
ClO₄⁻ + H₂O + 2e⁻	→	ClO₃⁻ + 2OH⁻	+0.36	Keefe
[Fe(CN)₆]³⁻ + e⁻	→	[Fe(CN)₄]⁴⁻	+0.36	Keefe
ClO₄⁻ + H₂O + 2e⁻	→	ClO₃⁻ + 2OH⁻	+0.36	EMS
CrO₄²⁻ + 2H⁺ + 3e⁻	→	CrO₃³⁻ + H₂O	+0.36	EMS
Fe(CN)₆³⁻ + e⁻	→	Fe(CN)₆⁴⁻	+0.36	EMS
H₂SeO₃ + 6H⁺ + 6e⁻	→	H₂Se_(g) + 3H₂O	+0.360	EMS
HTiO₂⁻ + 5H⁺ + 2e⁻	→	Ti²⁺ + 3H₂O	+0.362	EMS
(CN)₂_(g) + 2H⁺ + 2e⁻	→	2HCN	+0.37	EMS
ReO₄⁻ + 8H⁺ + 7e⁻	→	Re_(s) + 4H₂O	+0.37	EMS
SnO₃²⁻ + 3H⁺ + 2e⁻	→	HSnO₂⁻ + H₂O	+0.374	EMS
H₄P₂O₆ + 2H⁺ + 2e⁻	→	2H₃PO₃	+0.38	EMS
HSeO₃⁻ + 7H⁺ + 6e⁻	→	H₂Se_(g) + 3H₂O	+0.386	EMS
WO₄²⁻ + 4H⁺ + e⁻	→	WO₂_(s) + 2H₂O	+0.386	EMS
HMoO₄⁻ + 7H⁺ + 3e⁻	→	Mo³⁺ + 4H₂O	+0.390	EMS
O₂ + 2H₂O + 4e⁻	→	4OH⁻	+0.40	Keefe
2ClO⁻ + 2H₂O + 2e⁻	→	Cl₂_(g) + 4OH⁻	+0.40	EMS
H₂MoO₄_(aq) + 2H⁺ + e⁻	→	MoO₂⁺ + 2H₂O	+0.4	EMS
OsCl₆³⁻ + e⁻	→	Os²⁺ + 6Cl⁻	+0.4	EMS
O₂_(g) + 2H₂O + 4e⁻	→	4OH⁻	+0.401	EMS
O₂_(g) + 2 H₂O_(l) + 4e⁻	→	4 OH⁻_(aq)	+0.401	Stretton
SeO₃²⁻ + 7H⁺ + 6e⁻	→	HSe⁻ + 3H₂O	+0.414	EMS
S₄O₆²⁻ + 12H⁺ + 10e⁻	→	4S_(s) + 6H₂O	+0.416	EMS
Hg₂C₂O₄_(s) + 2e⁻	→	2Hg_(l) + C₂O₄²⁻	+0.42	EMS
H₂AsO₃⁻ + 4H⁺ + 3e⁻	→	As_(s) + 3H₂O	+0.429	EMS
HMoO₄⁻ + 3H⁺ + 2e⁻	→	MoO₂ + 2H₂O	+0.429	EMS
Mo^VI + e⁻	→	Mo^V	+0.43	EMS
RhCl₆³⁻ + 3e⁻	→	Rh_(s) + 6Cl⁻	+0.44	EMS
ZnO₂²⁻ + 4H⁺ + 2e⁻	→	Zn_(s) + 2H₂O	+0.441	EMS
Ag₂CrO₄_(s) + 2e⁻	→	2Ag_(s) + CrO4²⁻	+0.446	EMS
SbO₂⁻ + 4H⁺ + 3e⁻	→	Sb_(s) + 2H₂O	+0.446	EMS
Ag₂CrO₄ + 2e⁻	→	2Ag + CrO₄²⁻	+0.45	Keefe
2BrO⁻ + 2H₂O + 2e⁻	→	Br₂_(l) + 4OH⁻	+0.45	EMS
Ru²⁺ + 2e⁻	→	Ru_(s)	+0.45	EMS
H₂SO₃ + 4H⁺ + 4e⁻	→	S_(s) + 3H₂O	+0.450	EMS
UO₂²⁺ + 2e⁻	→	UO₂_(s)	+0.45	EMS
SO₂_(aq) + 4 H⁺_(aq) + 4e⁻	→	S_(s) + 2 H₂O_(l)	+0.45	Stretton
SO₂_(g) + 4H⁺ + 4e⁻	→	S_(s) + 2H₂O	+0.451	EMS
W(CN)₈³⁻ + e⁻	→	W(CN)₈⁴⁻	+0.457	EMS
NiOOH + H₂O + e⁻	→	Ni(OH)₂ + OH⁻	+0.49	Keefe
HFeO₂⁻ + 3H⁺ + 2e⁻	→	Fe_(s) + 2H₂O	+0.49	EMS
NiO₂_(s) + 2H₂O + 2e⁻	→	Ni(OH)₂_(s) + 2OH⁻	+0.49	EMS
NiO_2(s) + 2 H₂O_(l) + 2e⁻	→	Ni(OH)₂ + 2 OH⁻_(aq)	+0.49	Stretton
2HSO₃⁻ + 4H⁺ + 4e⁻	→	S₂O₃²⁻ + 3H₂O	+0.491	EMS
MoO₄²⁻ + 8H⁺ + 3e⁻	→	Mo³⁺ + 4H₂O	+0.508	EMS
4H₂SO₃ + 4H⁺ + 6e⁻	→	S₄O₆²⁻ + 6H₂O	+0.509	EMS
MnO₄²⁻ + 2H₂O + 2e⁻	→	MnO₂_(s) + 4OH⁻	+0.51	EMS
N₂O_(g) + H₂O + 8H⁺ + 8e⁻	→	2NH·H₂O	+0.510	EMS
ReO₄⁻ + 4H⁺ + 3e⁻	→	ReO₂_(s) + 2H₂O	+0.51	EMS
Cu⁺ + e⁻	→	Cu	+0.52	Keefe
Cu⁺ + e⁻	→	Cu_(s)	+0.521	EMS
I₃⁻ + 3e⁻	→	3I⁻	+0.53	Keefe
I₂_(s) + 2e⁻	→	2I⁻	+0.535	EMS
I₃⁻ + 2e⁻	→	3I⁻	+0.536	EMS
I₂ + 2e⁻	→	2I⁻	+0.54	Keefe
Cu²⁺ + Cl⁻ + e⁻	→	CuCl_(s)	+0.54	EMS
I_2(s) + 2e⁻	→	2 I⁻_(aq)	+0.54	Stretton
UO₂⁺ + 3H⁺ + e⁻	→	UOH³⁺ + H₂O	+0.546	EMS
H₃AsO₄ + 3H⁺ + 2e⁻	→	AsO⁺ + 3H₂O	+0.55	EMS
HTeO₂⁺ + 3H⁺ + 4e⁻	→	Te_(s) + 2H₂O	+0.551	EMS
H₃AsO₄ + 2H⁺ + 2e⁻	→	H₃AsO₃ + H₂O	+0.559	EMS
MnO₄⁻ + e⁻	→	MnO₄²⁻	+0.56	Keefe
MnO₄⁻ + e⁻	→	MnO₄²⁻	+0.564	EMS
Te⁴⁺ + 4e⁻	→	Te_(s)	+0.568	EMS
H₃AsO₄ + 2H⁺ + 2e⁻	→	H₃AsO₃ + H₂O	+0.577	EMS
H₃AsO₄ + 2H⁺ + 2e⁻	→	H₃AsO₃ + H₂O	+0.577	EMS
2H₃AsO₄ + 4H⁺ + 4e⁻	→	As₂O₃_(s) + 5H₂O	+0.58	EMS
4HSO₃⁻ + 8H⁺ + 6e⁻	→	S₄O₆²⁻ + 6H₂O	+0.581	EMS
Sb₂O₅_(s) + 6H⁺ + 4e⁻	→	2SbO⁺ + 3 H₂O	+0.581	EMS
HTeO₄⁻ + H⁺ + 2e⁻	→	TeO₃²⁻ + H₂O	+0.584	EMS
MnO₄⁻ + 2H₂O + 3e⁻	→	MnO₂_(s) + 4OH⁻	+0.588	EMS
RuO₄⁻ + e⁻	→	RuO₄²⁻	+0.59	EMS
2AgO_(s) + H₂O + 2e⁻	→	Ag₂O + OH⁻	+0.599	EMS
MnO₄²⁻ + 2H₂O + 2e⁻	→	MnO₂ + 4OH⁻	+0.60	Keefe
MoO₄²⁻ + 4H⁺ + 2e⁻	→	MoO₂ + 2H₂O	+0.606	EMS
HAsO₄²⁻ + 3H⁺ + 2e⁻	→	H₂AsO₃⁻ + H₂O	+0.609	EMS
BrO₃⁻ + 3H₂O + 6e⁻	→	Br⁻ + 6OH⁻	+0.61	EMS
UO₂⁺ + 4H⁺ + e⁻	→	U⁴⁺ + 2H₂O	+0.612	EMS
Hg₂SO₄_(s) + 2e⁻	→	2Hg_(l) + SO₄²⁻	+0.615	EMS
I₂_(aq) + 2e⁻	→	2I⁻	+0.615	EMS
Hg₂SO₄ + 2e⁻	→	2Hg + SO₄²⁻	+0.62	Keefe
CuO + 2H⁺ + e⁻	→	Cu⁺ + H₂O	+0.62	EMS
PbO₂_(s) + H⁺ + 2e⁻	→	HPbO₂⁻	+0.621	EMS
H₂TeO₄ + H⁺ + 2e⁻	→	HTeO₃⁻ + H₂O	+0.631	EMS
Cu²⁺ + Br⁻ + e⁻	→	CuBr_(s)	+0.64	EMS
N₂O_(g) + 10H⁺ + 8e⁻	→	2NH₄⁺ + H₂O	+0.647	EMS
AsO₄³⁻ + 8H⁺ + 5e⁻	→	As_(s) + 4H₂O	+0.648	EMS
HNiO₂⁻ + 3H⁺ + 2e⁻	→	Ni_(s) + 2H₂O	+0.648	EMS
ClO₂⁻ + H₂O + 2e⁻	→	ClO⁻ + 2OH⁻	+0.66	EMS
H₂AsO₄⁻ + 3H⁺ + 2e⁻	→	H₃AsO₃ + H₂O	+0.666	EMS
Hg₂²⁺ + 2e⁻	→	2Hg_(l)	+0.674	EMS
SbO₃⁻ + 3H⁺ + 2e⁻	→	HSbO₂ + H₂O	+0.678	EMS
Fe³⁺ + e⁻	→	Fe²⁺	+0.68	EMS
PtCl₆²⁻ + 2e⁻	→	PtCl₄²⁻ + 2Cl⁻	+0.68	EMS
RuCl₃ + 3e⁻	→	Ru_(s) + 3Cl⁻	+0.68	EMS
O₂_(g) + 2H⁺ + 2e⁻	→	H₂O₂	+0.682	EMS
2H₂AsO₄⁻ + 6H⁺ + 4e⁻	→	As₂O₃_(s) + 5H₂O	+0.687	EMS
O₂_(g) + 2H⁺_(aq) + 2e⁻	→	H₂O₂_(aq)	+0.69	Stretton
Sb₂O₅_(s) + 4H⁺ + 4e⁻	→	Sb₂O₃_(s) + 2H₂O	+0.692	EMS
C₆H₄O₂ + 2H⁺ + 2e⁻	→	C₆H₄(OH)₂	+0.696	EMS
C₆H₄O₂ + 2H⁺ + 2e⁻	→	C₆H₄(OH)₂	+0.696	EMS
C₆H₄O₂ + 2H⁺ + 2e⁻	→	C₆H₄(OH)₂	+0.696	EMS
C₆H₄O₂ + 2H⁺ + 2e⁻	→	C₆H₄(OH)₂	+0.699	EMS
Fe³⁺ + e⁻	→	Fe²⁺	+0.700	EMS
HPbO₂⁻ + 3H⁺ + 2e⁻	→	Pb_(s) + 2H₂O	+0.702	EMS
SbO₃⁻ + 4H⁺ + 2e⁻	→	SbO⁺ + 2H₂O	+0.704	EMS
2SO₃²⁻ + 6H⁺ + 4e⁻	→	S₂O₃²⁻ + 3H₂O	+0.705	EMS
Fe(CN)₆³⁻ + e⁻	→	Fe(CN)₆⁴⁻	+0.71	EMS
OsCl₆³⁻ + 3e⁻	→	Os_(s) + 6Cl⁻	+0.71	EMS
HTeO₃⁻ + 5H⁺ + 4e⁻	→	Te_(s) + 3H₂O	+0.713	EMS
Fe(CN)₆³⁻ + e⁻	→	Fe(CN)₆⁴⁻	+0.72	EMS
Fe(CN)₆³⁻ + e⁻	→	Fe(CN)₆⁴⁻	+0.72	EMS
SbO₂⁻ + 2H⁺ + 2e⁻	→	SbO⁻ + H₂O	+0.720	EMS
NO_(g) + 5H⁺ + 5e⁻	→	NH·H₂O	+0.727	EMS
PdO2 _(s)+ H₂O + 2e⁻	→	PdO_(s) + 2OH⁻	+0.73	EMS
Pd(OH)₄_(s) + 2e⁻	→	Pd(OH)₂_(s) + 2OH⁻	+0.73	EMS
PtCl₄²⁻ + 2e⁻	→	Pt_(s) + 4Cl⁻	+0.73	EMS
Fe³⁺ + e⁻	→	Fe²⁺	+0.732	EMS
H₂SeO₃ + 4H⁺ + 4e⁻	→	Se_(s) + 3H₂O	+0.740	EMS
Sb^V + 2e⁻	→	Sb^III	+0.746	EMS
BrO⁻ + H₂O + 2e⁻	→	Br⁻ + 2OH⁻	+0.76	Keefe
BrO⁻ + H₂O + 2e⁻	→	Br⁻ + 2OH⁻	+0.76	EMS
NiS_(s) + 2e⁻	→	Ni_(s) + S²⁻	+0.76	EMS
Fe³⁺ + e⁻	→	Fe²⁺	+0.77	Keefe
Ag⁺ + e⁻	→	Ag_(s)	+0.77	EMS
IrCl₆³⁻ + 3e⁻	→	Ir_(s) + 6Cl⁻	+0.77	EMS
ReO₄⁻ + 2H⁺ + e⁻	→	ReO₃_(s) + 2H₂O	+0.77	EMS
Fe³⁺_(aq) + e⁻	→	Fe²⁺_(aq)	+0.77	Stretton
Fe³⁺ + e⁻	→	Fe²⁺	+0.771	EMS
2SbO₃⁻ + 6H⁺ + 4e⁻	→	Sb₂O₃_(s) + 3H₂O	+0.772	EMS
NO₃⁻ + 2H⁺ + e⁻	→	NO₂_(g) + H₂O	+0.775	EMS
Hg₂²⁺ + 2e⁻	→	2Hg_(l)	+0.776	EMS
HSeO₃⁻ + 5H⁺ + 4e⁻	→	Se_(s) + 3H₂O	+0.778	EMS
AgF + e⁻	→	Ag + F⁻	+0.78	Keefe
Hg₂²⁺ + 2e⁻	→	2Hg_(l)	+0.788	EMS
3I₂ + 2e⁻	→	2I₃⁻	+0.789	EMS
NO₂⁻ + 7H⁺ + 6e⁻	→	NH₃_(g) + 2H₂O	+0.789	EMS
Hg₂²⁺ + 2e⁻	→	2Hg	+0.79	Keefe
RuO₂_(s) + 4H⁺ + 4e⁻	→	Ru_(s) + 2H₂O	+0.79	EMS
Ag⁺ + e⁻	→	Ag_(s)	+0.792	EMS
Ag⁺ + e⁻	→	Ag_(s)	+0.799	EMS
Ag⁺ + e⁻	→	Ag</td>	+0.80	Keefe
NO₃⁻ + 2H⁺ + e⁻	→	NO₂ + H₂O	+0.80	Keefe
2NO₃⁻ + 4H⁺ + 2e⁻	→	N₂O₄_(g) + 2H₂O	+0.80	EMS
Rh³⁺ + 3e⁻	→	Rh_(s)	+0.8	EMS
2 NO₃⁻_(aq) + 4 H⁺_(aq)+ 2e⁻	→	2 NO₂_(g) + 2H₂O_(l)	+0.80	Stretton
Ag⁺_(aq) + e⁻	→	Ag_(s)	+0.80	Stretton
2WO₄²⁻ + 6H⁺ + 2e⁻	→	W₂O₅_(s) + 3H₂O	+0.801	EMS
AuBr₄⁻ + 2e⁻	→	AuBr₂⁻ + 2Br⁻	+0.805	EMS
NO₂⁻ + 7H⁺ + 6e⁻	→	NH·H₂O + H₂O	+0.806	EMS
HTeO₄⁻ + 2H⁺ + 2e⁻	→	HTeO₃⁻ + H₂O	+0.813	EMS
O₂_(g) + 4H⁺ + 4e⁻	→	2H₂O	+0.815	EMS
Sb^V + 2e⁻	→	Sb^III	+0.818	EMS
TeO₃²⁻ + 6H⁺ + 4e⁻	→	Te_(s) + 3H₂O	+0.827	EMS
IrCl₆²⁻ + 4e⁻	→	Ir_(s) + 6Cl⁻	+0.835	EMS
NO₃⁻ + 2H⁺ + 2e⁻	→	NO₂⁻ + H₂O	+0.835	EMS
NO_(g) + 6H⁺ + 5e⁻	→	NH₄⁺ + H₂O	+0.836	EMS
SnO₃²⁻ + 6H⁺ + 2e⁻	→	Sn²⁺ + 3H₂O	+0.844	EMS
Os²⁺ + 2e⁻	→	Os_(s)	+0.85	EMS
OsO₄_(s) + 8H⁺ + 8e⁻	→	Os_(s) + 4H₂O	+0.85	EMS
OsCl₆²⁻ + e⁻	→	OsCl₆³⁻	+0.85	EMS
Hg²⁺ + 2e⁻	→	Hg_(l)	+0.854	EMS
AuBr₄⁻ + 3e⁻	→	Au_(s) + 4Br⁻	+0.858	EMS
Hg²⁺ + 2e⁻	→	Hg	+0.86	Keefe
Cu²⁺ + I⁻ + e⁻	→	CuI_(s)	+0.86	EMS
HNO₂ + 7H⁺ + 6e⁻	→	NH₄⁺ + 2H₂O	+0.864	EMS
Rh₂O₃_(s) + 6H⁺ + 6e⁻	→	2Rh_(s) + 3H₂O	+0.87	EMS
HO₂⁻_(aq) + H₂O_(l)+ 2e⁻	→	3 OH⁻_(aq)	+0.87	Stretton
SeO₃²⁻ + 6H⁺ + 4e⁻	→	Se_(s) + 3H₂O	+0.875	EMS
HO₂⁻ + H₂O + 2e⁻	→	3OH⁻	+0.88	EMS
HO₂⁻ + H₂O + 2e⁻	→	3OH⁻	+0.88	EMS
SeO₄²⁻ + 2H⁺ + 2e⁻	→	SeO₃²⁻ + H₂O	+0.880	EMS
HAsO₄²⁻ + 4H⁺ + 2e⁻	→	H₃AsO₃ + H₂O	+0.881	EMS
ClO⁻ + H₂O + 2e⁻	→	Cl⁻ + 2OH⁻	+0.89	Keefe
TeO₄²⁻ + 2H⁺ + 2e⁻	→	TeO₃²⁻ + H₂O	+0.892	EMS
NO₂_(g) + e⁻	→	NO₂⁻	+0.893	EMS
2HAsO₄²⁻ + 8H⁺ + 4e⁻	→	As₂O₃_(s) + 5H₂O	+0.901	EMS
2Hg²⁺ + 2e⁻	→	Hg₂²⁺	+0.907	EMS
FeOH²⁺ + H⁺ + e⁻	→	Fe²⁺ + H₂O	+0.91	EMS
2 Hg²⁺_(aq) + 2e⁻	→	Hg₂²⁺_(aq)	+0.91	Stretton
PuO₂²⁺ + e⁻	→	PuO₂⁺	+0.916	EMS
2Hg²⁺ + 2e⁻	→	Hg₂²⁺	+0.92	Keefe
2Hg²⁺ + 2e⁻	→	Hg₂²⁺	+0.920	EMS
NO₃⁻ + 3H⁺ + 2e⁻	→	HNO₂ + H₂O	+0.92	EMS
H₂TeO₄ + 6H⁺ + 2e⁻	→	Te⁴⁺ + 4H₂O	+0.920	EMS
AuCl₄⁻ + 2e⁻	→	AuCl₂⁻ + 2Cl⁻	+0.926	EMS
HgO_(s) + 2H⁺ + 2e⁻	→	Hg_(l) + H₂O	+0.93	EMS
IrO₂_(s) + 4H⁺ + 4e⁻	→	Ir_(s) + H₂O	+0.93	EMS
NO₃⁻ + 3H⁺ + 2e⁻	→	HNO₂ + H₂O	+0.94	EMS
NO₃⁻_(aq) + 3 H⁺_(aq)+ 2e⁻	→	HNO₂_(g) + H₂O_(l)	+0.94	Stretton
MnO₂_(s) + 4H⁺ + e⁻	→	Mn³⁺ + 2H₂O	+0.948	EMS
CrO₄²⁻ + 4H⁺ + 3e⁻	→	CrO₂⁻ + 2H₂O	+0.95	EMS
PdO₂_(s) + 2H⁺ + 2e⁻	→	PdO_(s) + H₂O	+0.95	EMS
H₂TeO₄ + 3H⁺ + 2e⁻	→	HTeO₂⁺ + 2H₂O	+0.953	EMS
NO₃⁻ + 4H⁺ + 3e⁻	→	NO + 2H₂O	+0.96	Keefe
NO₃⁻ + 4H⁺ + 3e⁻	→	NO_(g) + H₂O	+0.96	EMS
PdCl₆²⁻ + 4e⁻	→	Pd_(s) + 6Cl⁻	+0.96	EMS
NO₃⁻_(aq) + 4 H⁺_(aq)+ 3e⁻	→	NO_(g) + 2 H₂O_(l)	+0.96	Stretton
AuBr₂⁻ + e⁻	→	Au_(s) + 2Br⁻	+0.963	EMS
Pu⁴⁺ + e⁻	→	Pu³⁺	+0.97	Keefe
Pu⁴⁺ + e⁻	→	Pu³⁺	+0.970	EMS
IO₃⁻ + 4H⁺ + 4e⁻	→	IO⁻ + 2H₂O	+0.972	EMS
Pt(OH)₂_(s) + 2H⁺ + 2e⁻	→	Pt_(s) + 2H₂O	+0.98	EMS
HIO + H⁺ + 2e⁻	→	I⁻ + H₂O	+0.987	EMS
Pd²⁺ + 2e⁻	→	Pd_(s)	+0.987	EMS
PdBr₆²⁻ + 2e⁻	→	PdBr₄²⁻ + 2Br⁻	+0.994	EMS
V₂O₅ + 6H⁺ + 2e⁻	→	2VO²⁺ + 3H₂O	+0.998	EMS
FeO₄²⁻ + 5H⁺ + 3e⁻	→	HFeO₂ + 2H₂O	+1.00	EMS
HNO₂ + H⁺ + e⁻	→	NO_(g) + H₂O	+1.00	EMS
OsO₄_(s) + 8H⁺ + 6Cl⁻ + 4e⁻	→	OsCl₆²⁻ + 4H₂O	+1.0	EMS
RuO₄_(s) + e⁻	→	RuO₄⁻	+1.00	EMS
VO₂⁺ + 2H⁺ + e⁻	→	VO²⁺ + H₂O	+1.00	EMS
V(OH)₄⁺ + 2H⁺ + e⁻	→	VO²⁺ + 3H₂O	+1.00	EMS
AuCl₄⁻ + 3e⁻	→	Au_(s) + 4Cl⁻	+1.002	EMS
2IBr_(aq) + 2e⁻	→	I₂_(s) + 2Br⁻	+1.02	EMS
H₂TeO₄ + 2H⁺ + 2e⁻	→	TeO₂_(s) + 2H₂O	+1.020	EMS
Te(OH)₆_(s) + 2H⁺ + 2e⁻	→	TeO₂_(s) + 4H₂O	+1.02	EMS
V(OH)₄⁺ + 2H⁺ + e⁻	→	VO²⁺ + 3H₂O	+1.02	EMS
V(OH)₄⁺ + 2H⁺ + e⁻	→	VO²⁺ + 3H₂O	+1.02	EMS
IrCl₆²⁻ + e⁻	→	IrCl₆³⁻	+1.026	EMS
PuO₂²⁺ + 4H⁺ + 2e⁻	→	Pu⁴⁺ + 2H₂O	+1.04	EMS
NO₂_(g) + 2H⁺ + 2e⁻	→	NO_(g) + H₂O	+1.049	EMS
Br₃⁻ + 2e⁻	→	3Br⁻	+1.05	EMS
2ICl₂⁻ + 2e⁻	→	I₂_(s) + 4Cl⁻	+1.056	EMS
Fe(C₁₂H₈N₂)₃³⁺ + e⁻	→	Fe(C₁₂H₈N₂)₃²⁺	+1.06	EMS
Br₂_(l) + 2e⁻	→	2Br⁻	+1.065	EMS
Br₂_(aq) + 2e⁻	→	2 Br⁻_(aq)	+1.07	Stretton
SeO₄²⁻ + 3H⁺ + 2e⁻	→	HSeO₃⁻ + H₂O	+1.075	EMS
HIO₃ + 5H⁺ + 6e⁻	→	I⁻ + 3H₂O	+1.078	EMS
Br₂_(aq) + 2e⁻	→	2Br⁻	+1.087	EMS
Br₂ + 2e⁻	→	2Br⁻	+1.09	Keefe
HSeO₄⁻ + 3H⁺ + 2e⁻	→	H₂SeO₃ + H₂O	+1.090	EMS
NO₂_(g) + H⁺ + e⁻	→	HNO₂	+1.093	EMS
PtO₂_(s) + 2H⁺ + 2e⁻	→	Pt(OH)₂_(s)	+1.1	EMS
HCuO₂⁻ + 3H⁺ + 2e⁻	→	Cu_(s) + 2H₂O	+1.13	EMS
Cr₂O₇²⁻ + 10H⁺ + 6e⁻	→	2Cr(OH)₂⁺ + 3H₂O	+1.14	EMS
3HIO₃ + 15H⁺ + 16e⁻	→	I₃⁻ + 9H₂O	+1.145	EMS
Ir³⁺ + 3e⁻	→	Ir_(s)	+1.15	EMS
SeO₄²⁻ + 4H⁺ + 2e⁻	→	H₂SeO₃ + H₂O	+1.15	EMS
AuCl₂⁻ + e⁻	→	Au_(s) + 2Cl⁻	+1.154	EMS
IO₃⁻ + 6H⁺ + 4e⁻	→	I⁺ + 3H₂O	+1.155	EMS
2HIO₃ + 10H⁺ + 10e⁻	→	I₂_(s) + 6H₂O	+1.169	EMS
Ag₂O_(s) + 2H⁺ + 2e⁻	→	2Ag_(s) + H₂O	+1.173	EMS
2IO₃⁻ + 12H⁺ + 10e⁻	→	I₂_(aq) + 6H₂O	+1.178	EMS
ClO₄⁻ + 2H⁺ + 2e⁻	→	ClO₃⁻ + H₂O	+1.19	EMS
Fe(OH)₂⁺ + 2H⁺ + e⁻	→	Fe²⁺ + 2H₂O	+1.19	EMS
2ICl + 2e⁻	→	I₂_(s) + 2Cl⁻	+1.19	EMS
PdO₂_(s) + 4H⁺ + 2e⁻	→	Pd²⁺ + 2H₂O	+1.194	EMS
2IO₃⁻ + 12H⁺ + 10e⁻	→	I₂_(s) + 6H₂O	+1.196	EMS
Pt²⁺ + 2e⁻	→	Pt	+1.20	Keefe
HCrO₄⁻ + 7H⁺ + 3e⁻	→	Cr³⁺ + 4H₂O	+1.20	EMS
Pt²⁺ + 2e⁻	→	Pt_(s)	+1.2	EMS
Pt²⁺_(aq) + 2e⁻	→	Pt_(s)	+1.20	Stretton
NO₂⁻ + 2H⁺ + e⁻	→	NO_(g) + H₂O	+1.202	EMS
HTeO₄⁻ + 3H⁺ + 2e⁻	→	TeO₂_(s) + 2H₂O	+1.202	EMS
ClO₃⁻ + 3H⁺ + 2e⁻	→	HClO₂ + H₂O	+1.21	EMS
3HIO + 3H⁺ + 4e⁻	→	I₃⁻ + 3H₂O	+1.213	EMS
HIO₄ + 7H⁺ + 8e⁻	→	I⁻ + 4H₂O	+1.215	EMS
2ICl_(s) + 2e⁻	→	I₂_(s) + 2Cl⁻	+1.22	EMS
MnO₂_(s) + 4H⁺ + 2e⁻	→	Mn²⁺ + 2H₂O	+1.22	EMS
PdO₃_(s) + 2H⁺ + 2e⁻	→	PdO₂_(s) + H₂O	+1.22	EMS
2NO₂_(g) + 6H⁺ + 6e⁻	→	N₂O_(g) + 3H₂O	+1.229	EMS
O₂_(g) + 4H⁺ + 4e⁻	→	2H₂O	+1.229	EMS
ClO₄⁻ + 2H⁺ + 2e⁻	→	ClO₃⁻ + H₂O	+1.23	Keefe
MnO₂ + 4H⁺ + 2e⁻	→	Mn²⁺ + 2H₂O	+1.23	Keefe
O₂ + 4H⁺ + 4e⁻	→	2H₂O	+1.23	Keefe
MnO₂_(s) + 4H⁺ + 2e⁻	→	Mn²⁺ + 2H₂O	+1.23	EMS
MnO_2(s) + 4 H⁺_(aq) + 2e⁻	→	Mn²⁺_(aq) + 2 H₂O_(l)	+1.23	Stretton
O₂_(g) + 4 H⁺_(aq) + 4e⁻	→	2 H₂O_(l)	+1.23	Stretton
MnO₄²⁻ + 5H⁺ + 2e⁻	→	HMnO₂⁻ + 2H₂O	+1.234	EMS
IO₄⁻ + 7H⁺ + 6e⁻	→	HIO + 3H₂O	+1.235	EMS
2VO₄³⁻ + 10H⁺ + 4e⁻	→	V₂O₃ + 5H₂O	+1.238	EMS
O₃ + 2H⁺ + 2e⁻	→	O₂ + H₂O	+1.24	Keefe
IO₃⁻ + 2Cl⁻ + 6H⁺ + 4e⁻	→	ICl₂⁻ + 3H₂O	+1.24	EMS
O₃_(g) + H₂O + 2e⁻	→	O₂_(g) + 2OH⁻	+1.24	EMS
O₃_(g) + H₂O_(l) + 2e⁻	→	O₂_(g) + 2 OH⁻_(aq)	+1.24	Stretton
Tl³⁺ + 2e⁻	→	Tl⁺	+1.25	EMS
VO₄³⁻ + 6H⁺ + 2e⁻	→	VO⁺ + 3H₂O	+1.256	EMS
Cr₂O₇²⁻ + 12H⁺ + 6e⁻	→	2CrOH²⁺ + 5H₂O	+1.26	EMS
2AsO₄³⁻ + 10H⁺ + 4e⁻	→	As₂O₃_(s) + 5H₂O	+1.27	EMS
3HIO₄ + 21H⁺ + 22e⁻	→	I₃⁻ + 12H₂O	+1.276	EMS
HCrO₄⁻ + 6H⁺ + 3e⁻	→	CrOH²⁺ + 3H₂O	+1.28	EMS
CrO₄²⁻ + 6H⁺ + 3e⁻	→	Cr(OH)₂⁺ + 2H₂O	+1.28	EMS
2Hg(OH)₂_(s) + 4H⁺ + 2e⁻	→	Hg₂²⁺ + 4H₂O	+1.28	EMS
2ICl₃_(s) + 6e⁻	→	I₂_(s) + 6Cl⁻	+1.28	EMS
HIO₅²⁻ + 9H⁺ + 8e⁻	→	I⁻ + 5H₂O	+1.288	EMS
PdCl₆²⁻ + 2e⁻	→	PdCl₄²⁻ + 2Cl⁻	+1.288	EMS
HIO₄ + 6H⁺ + 6e⁻	→	HIO + 3H₂O	+1.290	EMS
2HNO₂ + 4H⁺ + 4e⁻	→	N₂O_(g) + 3H₂O	+1.297	EMS
2HIO₄ + 14H⁺ + 14e⁻	→	I₂_(s) + 8H₂O	+1.300	EMS
TiO₂²⁺ + H⁺ + 4e⁻	→	HTiO₂⁻	+1.303	EMS
IO⁻ + 2H⁺ + 2e⁻	→	I⁻ + H₂O	+1.313	EMS
Cr₂O₇²⁻ +14H⁺ + 6e⁻	→	2Cr³⁺ + 7H₂O	+1.33	Keefe
HBrO₃ + 3H⁺ + 4e⁻	→	BrO⁻ + 2H₂O	+1.33	EMS
Cr₂O₇²⁻ + 14H⁺ + 6e⁻	→	2Cr³⁺ + 7H₂O	+1.33	EMS
Cr₂O₇²⁻_(aq) + 14 H⁺_(aq)+ 6e⁻	→	2 Cr³⁺_(aq) + 7 H₂O_(l)	+1.33	Stretton
2HIO + 2H⁺ + 2e⁻	→	I₂_(s) + 2H₂O	+1.354	EMS
3HIO₅²⁻ + 27H⁺ + 22e⁻	→	I₃⁻ + 15H₂O	+1.357	EMS
Cl₂_(g) + 2e⁻	→	2Cl⁻	+1.359	EMS
Cl₂ + 2e⁻	→	2Cl⁻	+1.36	Keefe
Cl₂_(g) + 2e⁻	→	2 Cl⁻_(aq)	+1.36	Stretton
2NO₂_(g) + 8H⁺ + 8e⁻	→	N₂_(g) + 4H₂O	+1.363	EMS
2HIO₅²⁻ + 18H⁺ + 14e⁻	→	I₂_(s) + 10H₂O	+1.384	EMS
HIO₅²⁻ + 8H⁺ + 6e⁻	→	HIO + 4H₂O	+1.389	EMS
Cl₂_(aq) + 2e⁻	→	2Cl⁻	+1.39	EMS
2ClO₄⁻ + 16H⁺ + 14e⁻	→	Cl₂_(g) + 8H₂O	+1.39	EMS
2NO₂⁻ + 6H⁺ + 4e⁻	→	N₂O_(g) + 3H₂O	+1.396	EMS
Au³⁺ + 3e⁻	→	Au	+1.40	Keefe
CrO₄²⁻ + 7H⁺ + 3e⁻	→	CrOH²⁺ + 3H₂O	+1.40	EMS
RhO₂ + 4H⁺ + 6Cl⁻ + e⁻	→	RhCl₆³⁻ + 2H₂O	+1.4	EMS
RhO²⁺ + 2H⁺ + e⁻	→	Rh³⁺ + H₂O	+1.40	EMS
2AgO_(s) + 2H⁺ + 2e⁻	→	Ag₂O + H₂O	+1.41	EMS
Au³⁺ + 2e⁻	→	Au⁺	+1.41	EMS
HBrO₃ + 5H⁺ + 6e⁻	→	Br⁻ + 3H₂O	+1.42	EMS
Au³⁺_(aq) + 3e⁻	→	Au_(s)	+1.42	Stretton
BrO₃⁻ + 6H⁺ + 6e⁻	→	Br⁻ + 3H₂O	+1.44	EMS
Ce(SO₄)₃²⁻ + e⁻	→	Ce³⁺ + 3SO₄²⁻	+1.44	EMS
F₂O + 2H⁺ + 2e⁻	→	F₂_(g) + H₂O	+1.44	EMS
BrO₃⁻_(aq) + 6 H⁺_(aq)+ 6e⁻	→	Br⁻_(aq) + 3 H₂O_(l)	+1.44	Stretton
2HNO₂ + 6H⁺ + 6e⁻	→	N₂_(g) + 4H₂O	+1.454	EMS
PbO₂_(s) + 4H⁺ + 2e⁻	→	Pb²⁺ + 2H₂O	+1.455	EMS
HBrO₃ + 4H⁺ + 4e⁻	→	HBrO + 2H₂O	+1.46	EMS
RhO₄²⁻ + 6H⁺ + 2e⁻	→	RhO²⁺ + 3H₂O	+1.46	EMS
PbO_2(s) + 4 H⁺_(aq) + 2e⁻	→	Pb²⁺_(aq) + 2 H₂O_(l)	+1.46	Stretton
3HBrO₃ + 15H⁺ + 16e⁻	→	Br₃⁻ + 9H₂O	+1.462	EMS
2ClO₃⁻ + 12H⁺ + 10e⁻	→	Cl₂_(g) + 3H₂O	+1.47	EMS
2HBrO₂ + 10H⁺ + 10e⁻	→	Br₂_(l) + 6H₂O	+1.48	EMS
MnO₄⁻_(aq) + 8 H⁺_(aq)+ 5e⁻	→	Mn²⁺_(aq) + 4 H₂O_(l)	+1.49	Stretton
Au³⁺ + 3e⁻	→	Au_(s)	+1.50	EMS
O₃_(g) + 6H⁺ + 6e⁻	→	3H₂O	+1.501	EMS
MnO₄⁻ + 8H⁺ + 4e⁻	→	Mn³⁺ + 4H₂O	+1.506	EMS
TeO₄²⁻ + 4H⁺ + 2e⁻	→	TeO₂_(s) + 2H₂O	+1.509	EMS
Mn³⁺ + e⁻	→	Mn²⁺	+1.51	Keefe
MnO₄⁻ + 8H⁺ + 5e⁻	→	Mn²⁺ + 4H₂O	+1.51	Keefe
Mn³⁺ + e⁻	→	Mn²⁺	+1.51	EMS
MnO₄⁻ + 8H⁺ + 5e⁻	→	Mn²⁺ + 4H₂O	+1.51	EMS
Mn³⁺_(aq) + e⁻	→	Mn²⁺_(aq)	+1.51	Stretton
2BrO₃⁻ + 12H⁺ + 10e⁻	→	Br₂_(l) + 6H₂O	+1.52	EMS
CuO₂²⁻ + 4H⁺ + 2e⁻	→	Cu_(s) + 2H₂O	+1.52	EMS
2NO₂⁻ + 8H⁺ + 6e⁻	→	N₂_(g) + 4H₂O	+1.520	EMS
PbO₃²⁻ + 3H⁺ + e⁻	→	HPbO₂⁻ + H₂O	+1.547	EMS
FeO₄²⁻ + 6H⁺ + 3e⁻	→	Fe(OH)₂⁺ + 2H₂O	+1.56	EMS
2HBrO + 2H⁺ + 2e⁻	→	Br₂_(l) + 2H₂O	+1.59	EMS
Mn^III + e⁻	→	Mn^II	+1.59	EMS
2NO_(g) + 2H⁺ + 2e⁻	→	N₂O_(g) + H₂O	+1.591	EMS
NiO₂_(s) + 4H⁺ + 2e⁻	→	Ni²⁺ + 2H₂O	+1.593	EMS
2HBrO + 2H⁺ + 2e⁻	→	Br₂ + 2H₂O	+1.60	Keefe
H₅IO₆ + H⁺ + 2e⁻	→	IO₃⁻ + 3H₂O	+1.601	EMS
Bi₂O₅_(s) + 6H⁺ + 4e⁻	→	2BiO⁺ + 3H₂O	+1.605	EMS
Ce⁴⁺ + e⁻	→	Ce³⁺	+1.61	Keefe
Ce(NO₃)₆²⁻ + e⁻	→	Ce³⁺ + 6NO₃⁻	+1.61	EMS
HIO₄ + 2H⁺ + 2e⁻	→	HIO₃ + H₂O	+1.626	EMS
2HClO + 2H⁺ + 2e⁻	→	Cl₂ + 2H₂O	+1.63	Keefe
2HClO + 2H⁺ + 2e⁻	→	Cl₂_(g) + H₂O	+1.63	EMS
2 HOCl_(aq) + 2 H⁺_(aq) + 2e⁻	→	Cl₂_(g) + 2 H₂O_(l)	+1.63	Stretton
HClO₂ + 2H⁺ + 2e⁻	→	HClO + H₂O	+1.64	EMS
FeO₄²⁻ + 7H⁺ + 3e⁻	→	FeOH²⁺ + 3H₂O	+1.65	EMS
Mn^IV + e⁻	→	Mn^III	+1.65	EMS
IO₄⁻ + 2H⁺ + 2e⁻	→	IO₃⁻ + H₂O	+1.653	EMS
Pb⁴⁺ + 2e⁻	→	Pb²⁺	+1.67	Keefe
2NO_(g) + 4H⁺ + 4e⁻	→	N₂_(g) + 2H₂O	+1.678	EMS
MnO₄⁻ + 4H⁺ + 3e⁻	→	MnO₂_(s)	+1.679	EMS
Au⁺ + e⁻	→	Au_(s)	+1.68	EMS
PbO₂_(s) + 4H⁺ + SO₄²⁻ + 2e⁻	→	PbSO₄_(s) + 2H₂O	+1.685	EMS
Au⁺ + e⁻	→	Au	+1.69	Keefe
PbO_2(s) + SO₄²⁻_(aq)+ 4 H⁺_(aq) + 2e⁻	→	PbSO_4(s)+ 2 H₂O_(l)	+1.69	Stretton
Pb⁴⁺ + 2e⁻	→	Pb²⁺	+1.694	EMS
MnO₄⁻ + 4H⁺ + 3e⁻	→	MnO₂_(s)	+1.695	EMS
MnO₄⁻_(aq) + 4 H⁺_(aq)+ 3e⁻	→	MnO_2(s) + 2 H₂O_(l)	+1.695	Stretton
Bi₂O₅_(s) + 8H⁺ + 4e⁻	→	2BiOH²⁺ + 3H₂O	+1.700	EMS
Ce(ClO₄)₆²⁻ + e⁻	→	Ce³⁺ + 6ClO₄⁻	+1.70	EMS
FeO₄²⁻ + 8H⁺ + 3e⁻	→	Fe³⁺ + 4H₂O	+1.70	EMS
3IO⁻ + 6H⁺ + 4e⁻	→	I₃⁻ + 3H₂O	+1.701	EMS
Ce(OH)³⁺ + H⁺ + e⁻	→	Ce³⁺ + H₂O	+1.71	EMS
Ce(OH)₂²⁺ + 2H⁺ + e⁻	→	Ce³⁺ + 2H₂O	+1.73	EMS
HCuO₂⁻ + 3H⁺ + e⁻	→	Cu⁺ + 2H₂O	+1.73	EMS
Co₂O₃_(s) + 6H⁺ + 2e⁻	→	2Co²⁺ + 3H₂O	+1.75	EMS
Ni₂O₃_(s) + 6H⁺ + 2e⁻	→	2Ni²⁺ + 3H₂O	+1.753	EMS
Bi₂O₅_(s) + 10H⁺ + 4e⁻	→	2Bi³⁺ + 5H₂O	+1.759	EMS
N₂O_(g) + 2H⁺ + 2e⁻	→	N₂_(g) + H₂O	+1.766	EMS
H₂O₂ + 2H⁺ + 2e⁻	→	2H₂O	+1.77	EMS
H₂O₂_(aq) + 2 H⁺_(aq)+ 2e⁻	→	2 H₂O_(l)	+1.77	Stretton
H₂O₂ + 2H⁺ + 2e⁻	→	2H₂O	+1.776	EMS
H₂O₂ + 2H⁺ + 2e⁻	→	2H₂O	+1.78	Keefe
2HCuO₂⁻ + 4H⁺ + 2e⁻	→	Cu₂O_(s) + 3H₂O	+1.78	EMS
NaBiO₃_(s) + 4H⁺ + 2e⁻	→	BiO⁺ + Na⁺ + H₂O	+1.80	EMS
NiO₄²⁻ + 8H⁺ + 4e⁻	→	Ni²⁺ + 4H₂O	+1.8	EMS
TiO₂²⁺ + 2H⁺ + 2e⁻	→	TiO²⁺ + H₂O	+1.800	EMS
Co³⁺ + e⁻	→	Co²⁺	+1.808	EMS
Co³⁺ + e⁻	→	Co²⁺	+1.81	Keefe
Co³⁺_(aq) + e⁻	→	Co²⁺_(aq)	+1.82	Stretton
HIO₅²⁻ + 3H⁺ + 2e⁻	→	IO₃⁻ + 2H₂O	+1.898	EMS
Ni₃O₄_(s) + 8H⁺ + 2e⁻	→	3Ni²⁺ + 4H₂O	+1.977	EMS
Ag²⁺ + e⁻	→	Ag⁺	+1.98	Keefe
Ag²⁺ + e⁻	→	Ag⁺	+1.998	EMS
PbO₃²⁻ + 4H⁺ + 2e⁻	→	PbO_(s) + 2H₂O	+2.001	EMS
2IO⁻ + 4H⁺ + 2e⁻	→	I₂_(s) + 2H₂O	+2.005	EMS
S₂O₈²⁻ + 2e⁻	→	2SO₄²⁻	+2.01	EMS
AgO⁺ + 2H⁺ + e⁻	→	Ag²⁺ + H₂O	+2.016	EMS
S₂O₈²⁻ + 2e⁻	→	2SO₄⁻	+2.05	Keefe
S₂O₈²⁻_(aq) + 2e⁻	→	2 SO₄²⁻_(aq)	+2.05	Stretton
O₃ + 2H⁺ + 2e⁻	→	O₂ + H₂O	+2.07	Keefe
O₃_(g) + 2H⁺ + 2e⁻	→	O₂_(g) + H₂O	+2.07	EMS
O₃_(g) + 2H⁺_(aq) + 2e⁻	→	O₂_(g) + H₂O_(l)	+2.08	Stretton
2BrO⁻ + 4H⁺ + 2e⁻	→	Br₂_(l) + 2H₂O	+2.09	EMS
Pb₃O₄_(s) + 8H⁺ + 2e⁻	→	3Pb²⁺ + 3H₂O	+2.094	EMS
Co₃O₄_(s) + 8H⁺ + 2e⁻	→	3Co²⁺ + 4H₂O	+2.11	EMS
F₂O + 4H⁺ + 4e⁻	→	2HF + H₂O	+2.12	EMS
S₂O₈²⁻ + 2H⁺ + 2e⁻	→	2HSO₄⁻	+2.123	EMS
F₂O + 2H⁺ + 4e⁻	→	2F⁻ + H₂O	+2.15	EMS
MnO₄²⁻ + 4H⁺ + 2e⁻	→	MnO₂_(s) + 2H₂O	+2.257	EMS
PbO₃²⁻ + 6H⁺ + 2e⁻	→	Pb²⁺ + 3H₂O	+2.375	EMS
CuO₂²⁻ + 4H⁺ + e⁻	→	Cu⁺ + 2H₂O	+2.51	EMS
3PbO₃²⁻ + 10H⁺ + 4e⁻	→	Pb₃O₄_(s) + 5H₂O	+2.515	EMS
2CuO₂²⁻ + 6H⁺ + 2e⁻	→	Cu₂O_(s) + 3H₂O	+2.56	EMS
F₂_(g) + 2H⁺ + 2e⁻	→	2HF	+2.81	EMS
F₂ + 2e⁻	→	2F⁻	+2.87	Keefe
F₂_(g) + 2e⁻	→	2F⁻	+2.87	EMS
F₂_(g) + 2e⁻	→	2F⁻_(aq)	+2.87	Stretton
Ba²⁺ + 2e⁻	→	Ba	+2.91	Keefe
H₄XeO₆ + 2H⁺ + 2e⁻	→	XeO₃ + 3H₂O	+3.0	Keefe
F₂_(g) + 2H⁺ + 2e⁻	→	2HF_(aq)	+3.06	EMS

2 References

Documents that use the notion of reduction potential include reference 1 and reference 2.

: 1.
John Denker “How A Battery Works” www.av8n.com/physics/battery.htm
: 2.
“Lead-Acid Battery Half-Cell Reactions” www.av8n.com/physics/lead-acid.htm

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