標準酸化還元電位（vs. SHE）のCuN-Eu

Reactions (CuN-Eu)                                         ε^o (V vs. SHE)   Ref.

[Cu(NH₃)₂]⁺ + e^- ↔ Cu + 2NH₃                                 -0.100             2

CuO + H₂O + 2e^- ↔ 2Cu + 2OH^-                             -0.29               2

2CuO + H₂O + 2e^- ↔ Cu₂O + 2OH^-                         -0.22               2   

Cu₂O + H₂O + 2e^- ↔ 2Cu + 2OH^-                            -0.360(1), -0.365(2)

Cu₂O₃ + 6H⁺ + 2e^- ↔ 2Cu²⁺ + 3H₂O                        2.0                   1

Cu(OH)₂ + 2e^- ↔ Cu + 2OH^-                                    -0.222             1

2Cu(OH)₂ + 2e^- ↔ Cu₂O + 2OH^- + H₂O                  -0.080             1

Cu₂S + 2e^- ↔ 2Cu + S^2-                                            -0.898             2

2D⁺ + 2e^- ↔ D₂                                                          -0.013             1

Dy²⁺ + 2e^- ↔ Dy                                                        -2.2                 1

Dy³⁺ + 3e^- ↔ Dy                                                        -2.295             1

Dy³⁺ + e^- ↔ Dy²⁺                                                       -2.6                 1

Er²⁺ + 2e^- ↔ Er                                                          -2.0                 1

Er³⁺ + e^- ↔ Er²⁺                                                         -3.0                 1

Er³⁺ + 3e^- ↔ Er                                                          -2.331             1

Es²⁺ + 2e^- ↔ Es                                                         -2.23(1), -2.2(2)

Es³⁺ + e^- ↔ Es²⁺                                                        -1.3                 1

Es³⁺ + 3e^- ↔ Es                                                         -1.91(1), -2.0(2)

Eu²⁺ + 2e^- ↔ Eu                                                        -2.812             1

Eu³⁺ + e^- ↔ Eu²⁺                                                       -0.36(1), -0.35(2)

Eu³⁺ + 3e^- ↔ Eu                                                        -1.991(1), -1.99(2)