STANDARD REDUCTION TABLE
                   (25 oC)

Half-Reaction

Eo (V)

H2O2 + 2 H+1 + 2 e-  --> 2 H2O

1.78

PbO2 + 4 H+1 + SO4-2  + 2 e-  --> PbSO4 + 2 H2O

1.69

MnO4-1 + 4 H+1 + 3 e-  --> MnO2 + 2 H2O

1.68

MnO4-1 + 8 H+1 + 5 e-  --> Mn+2 + 4 H2O

1.51

PbO2 + 4 H+1 + 2 e-  --> Pb+2 + 2 H2O

1.46

Cl2 + 2 e-  --> 2 Cl-1

1.36

O2 + 4 H+1 + 4 e-  --> 2 H2O

1.23

Br2 + 2 e-  --> 2 Br-1

1.09

NO3-1 + 4 H+1 + 3 e-  --> NO + 2 H2O

0.96

Ag+1 + e-  --> Ag

0.80

I2 + 2 e-  --> 2 I-1

0.54

Cu+1 + e-  --> Cu

0.52

O2 + 2 H2O + 4 e-  --> 4 OH-1

0.40

Hg2Cl2 + 2 e-  --> 2 Hg + 2 Cl-1

0.34

Cu+2 + 2 e-  --> Cu

0.34

SO4-2 + 4 H+1 + 2 e-  --> H2SO3 + H2O

0.20

Cu+2 + 2 e-  --> Cu+1

0.16

2 H+1 + 2 e-  --> H2

0.00

Fe+3 + 3 e-  --> Fe

-0.036

Pb+2 + 2 e-  --> Pb

-0.13

Sn+2 + 2 e-  --> Sn

-0.14

Ni+2 + 2 e-  --> Ni

-0.23

PbSO4 + 2 e-  --> Pb + SO4-2

-0.35

Cd+2 + 2 e-  --> Cd

-0.40

Fe+2 + 2 e-  --> Fe

-0.44

Cr+3 + 3 e-  --> Cr

-0.73

Zn+2 + 2 e-  --> Zn

-0.76

2 H2O + 2 e-  --> H2 + 2 OH-1

-0.83

Mn+2 + 2 e-  --> Mn

-1.18

Al+3 + 3 e-  --> Al

-1.66

Mg+2 + 2 e-  --> Mg

-2.37

Na+1 + e-  --> Na

-2.71

Ca+2 + 2 e-  --> Ca

-2.76

K+1 + e-  --> K

-2.92

Li+1 + e-  --> Li

-3.05

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