标准电极电势
標準電極電勢表

| 元素 | 氧化劑 | 半反應 | 還原劑 | E°／伏 | 來源 |
| --- | --- | --- | --- | --- | --- |
| 鋇 | Ba⁺＋e⁻ | ⇌ | Ba(s) | −4.38 |  |
| 鍶 | Sr⁺＋e⁻ | ⇌ | Sr(s) | −4.10 |  |
| 鈣 | Ca⁺＋e⁻ | ⇌ | Ca(s) | −3.8 |  |
| 釷 | Th⁴⁺＋e⁻ | ⇌ | Th³⁺ | −3.6 |  |
| 鐠 | Pr³⁺＋e⁻ | ⇌ | Pr²⁺ | −3.1 |  |
| 氮 | 3N₂(g)＋2H⁺＋2e⁻ | ⇌ | 2HN₃(aq) | −3.09 |  |
| 锂 | Li⁺＋e⁻ | ⇌ | Li(s) | −3.0401 |  |
| 氮 | N₂(g)＋4H₂O＋2e⁻ | ⇌ | 2NH₂OH(aq)＋2OH⁻ | −3.04 |  |
| 铯 | Cs⁺＋e⁻ | ⇌ | Cs(s) | −3.026 |  |
| 鈣 | Ca(OH)₂(s)＋2e⁻ | ⇌ | Ca(s)＋2OH⁻ | −3.02 |  |
| 鉺 | Er³⁺＋e⁻ | ⇌ | Er²⁺ | −3.0 |  |
| 鋇 | Ba(OH)₂(s)＋2e⁻ | ⇌ | Ba(s)＋2OH⁻ | −2.99 |  |
| 铷 | Rb⁺＋e⁻ | ⇌ | Rb(s) | −2.98 |  |
| 鎂 | Mg⁺＋e⁻ | ⇌ | Mg(s) | −2.93 |  |
| 钾 | K⁺＋e⁻ | ⇌ | K(s) | −2.92 |  |
| 钡 | Ba²⁺＋2e⁻ | ⇌ | Ba(s) | −2.912 |  |
| 镧 | La(OH)₃(s)＋3e⁻ | ⇌ | La(s)＋3OH⁻ | −2.90 |  |
| 鈁 | Fr⁺＋e⁻ | ⇌ | Fr(s) | −2.9 |  |
| 锶 | Sr²⁺＋2e⁻ | ⇌ | Sr(s) | −2.899 |  |
| 鍶 | Sr(OH)₂(s)＋2e⁻ | ⇌ | Sr(s)＋2OH⁻ | −2.88 |  |
| 钙 | Ca²⁺＋2e⁻ | ⇌ | Ca(s) | −2.868 |  |
| 氮（銨） | NH₄⁺＋e⁻ | ⇌ | NH₄• | −2.85 |  |
| 碳（碳鋰） | Li⁺＋C₆(s)＋e⁻ | ⇌ | LiC₆(s) | −2.84 |  |
| 铕 | Eu²⁺＋2e⁻ | ⇌ | Eu(s) | −2.812 |  |
| 镭 | Ra²⁺＋2e⁻ | ⇌ | Ra(s) | −2.8 |  |
| 鈥 | Ho³⁺＋e⁻ | ⇌ | Ho²⁺ | −2.8 |  |
| 鉳 | Bk³⁺＋e⁻ | ⇌ | Bk²⁺ | −2.8 |  |
| 鐿 | Yb²⁺＋2e⁻ | ⇌ | Yb(s) | −2.76 |  |
| 钠 | Na⁺＋e⁻ | ⇌ | Na(s) | −2.71 |  |
| 釹 | Nd³⁺＋e⁻ | ⇌ | Nd²⁺ | −2.7 |  |
| 鎂 | Mg(OH)₂＋2e⁻ | ⇌ | Mg(s)＋2OH⁻ | −2.69 |  |
| 釤 | Sm²⁺＋2e⁻ | ⇌ | Sm(s) | −2.68 |  |
| 鈹 | Be₂O₃²⁻＋3H₂O＋4e⁻ | ⇌ | 2Be(s)＋6OH⁻ | −2.63 |  |
| Pm | Pm³⁺＋e⁻ | ⇌ | Pm²⁺ | −2.6 |  |
| Dy | Dy³⁺＋e⁻ | ⇌ | Dy²⁺ | −2.6 |  |
| 鍩 | No²⁺＋2e⁻ | ⇌ | No(s) | −2.50 |  |
| 鉿 | HfO(OH)₂(s)＋H₂O＋4e⁻ | ⇌ | Hf(s)＋4OH⁻ | −2.50 |  |
| 釷 | Th(OH)₄(s)＋4e⁻ | ⇌ | Th(s)＋4OH⁻ | −2.48 |  |
| 鍆 | Md²⁺＋2e⁻ | ⇌ | Md(s) | −2.40 |  |
| Tm | Tm²⁺＋2e⁻ | ⇌ | Tm(s) | −2.4 |  |
| 鑭 | La³⁺＋3e⁻ | ⇌ | La(s) | −2.379 |  |
| 釔 | Y³⁺＋3e⁻ | ⇌ | Y(s) | −2.372 |  |
| 镁 | Mg²⁺＋2e⁻ | ⇌ | Mg(s) | −2.372 |  |
| 鋯 | ZrO(OH)₂(s)＋H₂O＋4e⁻ | ⇌ | Zr(s)＋4OH⁻ | −2.36 |  |
| 鐠 | Pr³⁺＋3e⁻ | ⇌ | Pr(s) | −2.353 |  |
| 鈰 | Ce³⁺＋3e⁻ | ⇌ | Ce(s) | −2.336 |  |
| 鉺 | Er³⁺＋3e⁻ | ⇌ | Er(s) | −2.331 |  |
| 鈥 | Ho³⁺＋3e⁻ | ⇌ | Ho(s) | −2.33 |  |
| 鋁 | Al(OH)₄⁻＋3e⁻ | ⇌ | Al(s)＋4OH⁻ | −2.33 |  |
| 釹 | Nd³⁺＋3e⁻ | ⇌ | Nd(s) | −2.323 |  |
| Tm | Tm³⁺＋3e⁻ | ⇌ | Tm(s) | −2.319 |  |
| 鋁 | Al(OH)₃(s)＋3e⁻ | ⇌ | Al(s)＋3OH⁻ | −2.31 |  |
| 釤 | Sm³⁺＋3e⁻ | ⇌ | Sm(s) | −2.304 |  |
| Fm | Fm²⁺＋2e⁻ | ⇌ | Fm | −2.3 |  |
| Am | Am³⁺＋e⁻ | ⇌ | Am²⁺ | −2.3 |  |
| Dy | Dy³⁺＋3e⁻ | ⇌ | Dy(s) | −2.295 |  |
| Lu | Lu³⁺＋3e⁻ | ⇌ | Lu(s) | −2.28 |  |
| 鋱 | Tb³⁺＋3e⁻ | ⇌ | Tb(s) | −2.28 |  |
| 釓 | Gd³⁺＋3e⁻ | ⇌ | Gd(s) | −2.279 |  |
| 氢 | H₂(g)＋2e⁻ | ⇌ | 2H⁻ | −2.25 |  |
| Es | Es²⁺＋2e⁻ | ⇌ | Es(s) | −2.23 |  |
| Pm | Pm²⁺＋2e⁻ | ⇌ | Pm(s) | −2.2 |  |
| Tm | Tm³⁺＋e⁻ | ⇌ | Tm²⁺ | −2.2 |  |
| Dy | Dy²⁺＋2e⁻ | ⇌ | Dy(s) | −2.2 |  |
| 锕 | Ac³⁺＋3e⁻ | ⇌ | Ac(s) | −2.20 |  |
| Yb | Yb³⁺＋3e⁻ | ⇌ | Yb(s) | −2.19 |  |
| 鈹 | Be⁺＋e⁻ | ⇌ | Be(s) | −2.12 |  |
| 鉲 | Cf²⁺＋2e⁻ | ⇌ | Cf(s) | −2.12 |  |
| 釹 | Nd²⁺＋2e⁻ | ⇌ | Nd(s) | −2.1 |  |
| 鈥 | Ho²⁺＋2e⁻ | ⇌ | Ho(s) | −2.1 |  |
| 鈧 | Sc³⁺＋3e⁻ | ⇌ | Sc(s) | −2.077 |  |
| 鋁 | AlF₆³⁻＋3e⁻ | ⇌ | Al(s)＋6F⁻ | −2.069 |  |
| 鋂 | Am³⁺＋3e⁻ | ⇌ | Am(s) | −2.048 |  |
| Cm | Cm³⁺＋3e⁻ | ⇌ | Cm(s) | −2.04 |  |
| 鈈 | Pu³⁺＋3e⁻ | ⇌ | Pu(s) | −2.031 |  |
| Pr | Pr²⁺＋2e⁻ | ⇌ | Pr(s) | −2 |  |
| 鉺 | Er²⁺＋2e⁻ | ⇌ | Er(s) | −2 |  |
| 銪 | Eu³⁺＋3e⁻ | ⇌ | Eu(s) | −1.991 |  |
| Lr | Lr³⁺＋3e⁻ | ⇌ | Lr | −1.96 |  |
| 鉲 | Cf³⁺＋3e⁻ | ⇌ | Cf(s) | −1.94 |  |
| 钙 | Ca²⁺＋e⁻ | ⇌ | Ca⁺ | −1.936 |  |
| Es | Es³⁺＋3e⁻ | ⇌ | Es(s) | −1.91 |  |
| Pa | Pa⁴⁺＋e⁻ | ⇌ | Pa³⁺ | −1.9 |  |
| 鋂 | Am²⁺＋2e⁻ | ⇌ | Am(s) | −1.9 |  |
| 釷 | Th⁴⁺＋4e⁻ | ⇌ | Th(s) | −1.899 |  |
| 鐨 | Fm³⁺＋3e⁻ | ⇌ | Fm(s) | −1.89 |  |
| Np | Np³⁺＋3e⁻ | ⇌ | Np(s) | −1.856 |  |
| 铍 | Be²⁺＋2e⁻ | ⇌ | Be(s) | −1.85 |  |
| 磷 | H₂PO₂⁻＋e⁻ | ⇌ | P(s)＋2OH⁻ | −1.82 |  |
| 鍶 | Sr²⁺＋2e⁻ | ⇌ | Sr(Hg) | −1.793 |  |
| 硼 | H₂BO₃⁻＋H₂O＋3e⁻ | ⇌ | B(s)＋4OH⁻ | −1.79 |  |
| 釷 | ThO₂＋4H⁺＋4e⁻ | ⇌ | Th(s)＋2H₂O | −1.789 |  |
| 鉿 | HfO²⁺＋2H⁺＋4e⁻ | ⇌ | Hf(s)＋H₂O | −1.724 |  |
| 磷 | HPO₃²⁻＋2H₂O＋3e⁻ | ⇌ | P(s)＋5OH⁻ | −1.71 |  |
| 矽 | SiO₃²⁻＋3H₂O＋4e⁻ | ⇌ | Si(s)＋6OH⁻ | −1.697 |  |
| 鑪 | Rf⁴⁺＋4e⁻ | ⇌ | Rf(s) | −1.67 |  |
| 铀 | U³⁺＋3e⁻ | ⇌ | U(s) | −1.66 |  |
| 铝 | Al³⁺＋3e⁻ | ⇌ | Al(s) | −1.66 |  |
| 钛 | Ti²⁺＋2e⁻ | ⇌ | Ti(s) | −1.63 |  |
| 鉳 | Bk²⁺＋2e⁻ | ⇌ | Bk(s) | −1.6 |  |
| 锆 | ZrO₂(s)＋4H⁺＋4e⁻ | ⇌ | Zr(s)＋2H₂O | −1.553 |  |
| 鉿 | Hf⁴⁺＋4e⁻ | ⇌ | Hf(s) | −1.55 |  |
| 锆 | Zr⁴⁺＋4e⁻ | ⇌ | Zr(s) | −1.45 |  |
| 鈦 | Ti³⁺＋3e⁻ | ⇌ | Ti(s) | −1.37 |  |
| 鈦 | TiO(s)＋2H⁺＋2e⁻ | ⇌ | Ti(s)＋H₂O | −1.31 |  |
| 碳 | C⁴⁺＋4e⁻ | ⇌ | C | −1.3 |  |
| 鈦 | Ti₂O₃(s)＋2H⁺＋2e⁻ | ⇌ | 2TiO(s)＋H₂O | −1.23 |  |
| 鋅 | Zn(OH)₄²⁻＋2e⁻ | ⇌ | Zn(s)＋4OH⁻ | −1.199 |  |
| 錳 | Mn²⁺＋2e⁻ | ⇌ | Mn(s) | −1.185 |  |
| 鐵 | Fe(CN)₆⁴⁻＋6H⁺＋2e⁻ | ⇌ | Fe(s)＋6HCN(aq) | −1.16 |  |
| 釩 | V²⁺＋2e⁻ | ⇌ | V(s) | −1.175 |  |
| 碲 | Te(s)＋2e⁻ | ⇌ | Te²⁻ | −1.143 |  |
| 鈮 | Nb³⁺＋3e⁻ | ⇌ | Nb(s) | −1.099 |  |
| 錫 | Sn(s)＋4H⁺＋4e⁻ | ⇌ | SnH₄(g) | −1.07 |  |
| 銦 | In(OH)₃(s)＋3e⁻ | ⇌ | In(s)＋3OH⁻ | −0.99 |  |
| 矽 | SiO₂(s)＋4H⁺＋4e⁻ | ⇌ | Si(s)＋2H₂O | −0.91 |  |
| 硼 | B(OH)₃(aq)＋3H⁺＋3e⁻ | ⇌ | B(s)＋3H₂O | −0.89 |  |
| 鐵 | Fe(OH)₂(s)＋2e⁻ | ⇌ | Fe(s)＋2OH⁻ | −0.89 |  |
| 鐵 | Fe₂O₃(s)＋3H₂O＋2e⁻ | ⇌ | 2Fe(OH)₂(s)＋2OH⁻ | −0.86 |  |
| 鈦 | TiO²⁺＋2H⁺＋4e⁻ | ⇌ | Ti(s)＋H₂O | −0.86 |  |
| 水 | 2H₂O＋2e⁻ | ⇌ | H₂(g)＋2OH⁻ | −0.8277 |  |
| 鉍 | Bi(s)＋3H⁺＋3e⁻ | ⇌ | BiH₃ | −0.8 |  |
| 锌 | Zn²⁺＋2e⁻ | ⇌ | Zn(Hg) | −0.7628 |  |
| 锌 | Zn²⁺＋2e⁻ | ⇌ | Zn(s) | −0.7618 |  |
| 钽 | Ta₂O₅(s)＋10H⁺＋10e⁻ | ⇌ | 2Ta(s)＋5H₂O | −0.75 |  |
| 铬 | Cr³⁺＋3e⁻ | ⇌ | Cr(s) | −0.74 |  |
| 鎳 | Ni(OH)₂(s)＋2e⁻ | ⇌ | Ni(s)＋2OH⁻ | −0.72 |  |
| 銀 | Ag₂S(s)＋2e⁻ | ⇌ | 2Ag(s)＋S²⁻(aq) | −0.69 |  |
| 金（金氰） | Au(CN)₂⁻＋e⁻ | ⇌ | Au(s)＋2CN⁻ | −0.60 |  |
| 鉭 | Ta³⁺＋3e⁻ | ⇌ | Ta(s) | −0.6 |  |
| 鉛 | PbO(s)＋H₂O＋2e⁻ | ⇌ | Pb(s)＋2OH⁻ | −0.58 |  |
| 鈦 | 2TiO₂(s)＋2H⁺＋2e⁻ | ⇌ | Ti₂O₃(s)＋H₂O | −0.56 |  |
| 镓 | Ga³⁺＋3e⁻ | ⇌ | Ga(s) | −0.53 |  |
| 鈾 | U⁴⁺＋e⁻ | ⇌ | U³⁺ | −0.52 |  |
| 磷 | H₃PO₂(aq)＋H⁺＋e⁻ | ⇌ | P（白）＋2H₂O | −0.508 |  |
| 磷 | H₃PO₃(aq)＋2H⁺＋2e⁻ | ⇌ | H₃PO₂(aq)＋H₂O | −0.499 |  |
| 鎳 | NiO₂(s)＋2H₂O＋2e⁻ | ⇌ | Ni(OH)₂(s)＋2OH⁻ | −0.49 |  |
| 磷 | H₃PO₃(aq)＋3H⁺＋3e⁻ | ⇌ | P（红）＋3H₂O | −0.454 |  |
| 銅 | Cu(CN)₂⁻＋e⁻ | ⇌ | Cu(s)＋2CN⁻ | −0.44 |  |
| 铁 | Fe²⁺＋2e⁻ | ⇌ | Fe(s) | −0.44 |  |
| 碳 | 2CO₂(g)＋2H⁺＋2e⁻ | ⇌ | (HO₂C)₂(aq) | −0.43 |  |
| 鉻 | Cr³⁺＋e⁻ | ⇌ | Cr²⁺ | −0.42 |  |
| 镉 | Cd²⁺＋2e⁻ | ⇌ | Cd(s) | −0.40 |  |
| 硒 | SeO₃²⁻＋4e⁻＋3H₂O | ⇌ | Se＋6OH⁻ | −0.37 |  |
| 锗 | GeO₂(s)＋2H⁺＋2e⁻ | ⇌ | GeO(s)＋H₂O | −0.37 |  |
| 铜 | Cu₂O(s)＋H₂O＋2e⁻ | ⇌ | 2Cu(s)＋2OH⁻ | −0.360 |  |
| 铅 | PbSO₄(s)＋2e⁻ | ⇌ | Pb(s)＋SO₄²⁻ | −0.3588 |  |
| 铅 | PbSO₄(s)＋2e⁻ | ⇌ | Pb(Hg)＋SO₄²⁻ | −0.3505 |  |
| 铕 | Eu³⁺＋e⁻ | ⇌ | Eu²⁺ | −0.35 |  |
| 铟 | In³⁺＋3e⁻ | ⇌ | In(s) | −0.34 |  |
| 铊 | Tl⁺＋e⁻ | ⇌ | Tl(s) | −0.34 |  |
| 酶 | NAD(P)⁺＋H⁺＋2e⁻ | ⇌ | NAD(P)H | −0.32 |  |
| 硼 | B³⁺＋3e⁻ | ⇌ | B(s) | −0.31 |  |
| 锗 | Ge(s)＋4H⁺＋4e⁻ | ⇌ | GeH₄(g) | −0.29 |  |
| 钴 | Co²⁺＋2e⁻ | ⇌ | Co(s) | −0.28 |  |
| 磷 | H₃PO₄(aq)＋2H⁺＋2e⁻ | ⇌ | H₃PO₃(aq)＋H₂O | −0.276 |  |
| 釩 | V³⁺＋e⁻ | ⇌ | V²⁺ | −0.26 |  |
| 镍 | Ni²⁺＋2e⁻ | ⇌ | Ni(s) | −0.25 |  |
| 砷 | As(s)＋3H⁺＋3e⁻ | ⇌ | AsH₃(g) | −0.23 |  |
| 鎵 | Ga⁺＋e⁻ | ⇌ | Ga(s) | −0.2 |  |
| 银 | AgI(s)＋e⁻ | ⇌ | Ag(s)＋I⁻ | −0.15224 |  |
| 钼 | MoO₂(s)＋4H⁺＋4e⁻ | ⇌ | Mo(s)＋2H₂O | −0.15 |  |
| 硅 | Si(s)＋4H⁺＋4e⁻ | ⇌ | SiH₄(g) | −0.14 |  |
| 錫 | Sn²⁺＋2e⁻ | ⇌ | Sn(s) | −0.13 |  |
| 氧 | O₂(g)＋H⁺＋e⁻ | ⇌ | HO₂•(aq) | −0.13 |  |
| 铅 | Pb²⁺＋2e⁻ | ⇌ | Pb(s) | −0.13 |  |
| 钨 | WO₂(s)＋4H⁺＋4e⁻ | ⇌ | W(s)＋2H₂O | −0.12 |  |
| 磷 | P（红）＋3H⁺＋3e⁻ | ⇌ | PH₃(g) | −0.111 |  |
| 碳 | CO₂(g)＋2H⁺＋2e⁻ | ⇌ | HCO₂H(aq) | −0.11 |  |
| 硒 | Se(s)＋2H⁺＋2e⁻ | ⇌ | H₂Se(g) | −0.11 |  |
| 碳 | CO₂(g)＋2H⁺＋2e⁻ | ⇌ | CO(g)＋H₂O | −0.11 |  |
| 銅 | Cu(NH₃)₂⁺＋e⁻ | ⇌ | Cu(s)＋2NH₃(aq) | −0.1 |  |
| 锡 | SnO(s)＋2H⁺＋2e⁻ | ⇌ | Sn(s)＋H₂O | −0.10 |  |
| 锡 | SnO₂(s)＋2H⁺＋2e⁻ | ⇌ | SnO(s)＋H₂O | −0.09 |  |
| 钨 | WO₃(aq)＋6H⁺＋6e⁻ | ⇌ | W(s)＋3H₂O | −0.09 |  |
| 磷 | P（白）＋3H⁺＋3e⁻ | ⇌ | PH₃(g) | −0.063 |  |
| 氫（氘） | 2D⁺＋2e⁻ | ⇌ | D₂(g) | −0.044 |  |
| 鐵 | Fe³⁺＋3e⁻ | ⇌ | Fe(s) | −0.04 |  |
| 碳（甲酸） | HCO₂H(aq)＋2H⁺＋2e⁻ | ⇌ | HCHO(aq)＋H₂O | −0.03 |  |
| 氫 | 2H⁺＋2e⁻ | ⇌ | H₂(g) | ≡0 |  |
| 銀 | AgBr(s)＋e⁻ | ⇌ | Ag(s)＋Br⁻ | +0.07133 |  |
| 硫 | S₄O₆²⁻＋2e⁻ | ⇌ | 2S₂O₃²⁻ | +0.08 |  |
| 铁 | Fe₃O₄(s)＋8H⁺＋8e⁻ | ⇌ | 3Fe(s)＋4H₂O | +0.085 |  |
| 氮 | N₂(g)＋2H₂O＋6H⁺＋6e⁻ | ⇌ | 2NH₄OH(aq) | +0.092 |  |
| 汞 | HgO(s)＋H₂O＋2e⁻ | ⇌ | Hg(l)＋2OH⁻ | +0.0977 |  |
| 銅 | Cu(NH₃)₄²⁺＋e⁻ | ⇌ | Cu(NH₃)₂⁺＋2NH₃ | +0.10 |  |
| 钌 | Ru(NH₃)₆³⁺＋e⁻ | ⇌ | Ru(NH₃)₆²⁺ | +0.10 |  |
| 氮（肼） | N₂H₄(aq)＋4H₂O＋2e⁻ | ⇌ | 2NH₄⁺＋4OH⁻ | +0.11 |  |
| 钼 | H₂MoO₄(aq)＋6H⁺＋6e⁻ | ⇌ | Mo(s)＋4H₂O | +0.11 |  |
| 鍺 | Ge⁴⁺＋4e⁻ | ⇌ | Ge(s) | +0.12 |  |
| 碳 | C(s)＋4H⁺＋4e⁻ | ⇌ | CH₄(g) | +0.13 |  |
| 碳 | HCHO(aq)＋2H⁺＋2e⁻ | ⇌ | CH₃OH(aq) | +0.13 |  |
| 硫 | S(s)＋2H⁺＋2e⁻ | ⇌ | H₂S(g) | +0.14 |  |
| 錫 | Sn⁴⁺＋2e⁻ | ⇌ | Sn²⁺ | +0.15 |  |
| 铜 | Cu²⁺＋e⁻ | ⇌ | Cu⁺ | +0.159 |  |
| 硫 | HSO₄⁻＋3H⁺＋2e⁻ | ⇌ | SO₂(aq)＋2H₂O | +0.16 |  |
| 铀 | UO₂²⁺＋e⁻ | ⇌ | UO₂⁺ | +0.163 |  |
| 硫 | SO₄²⁻＋4H⁺＋2e⁻ | ⇌ | SO₂(aq)＋2H₂O | +0.17 |  |
| 鈦 | TiO²⁺＋2H⁺＋e⁻ | ⇌ | Ti³⁺＋H₂O | +0.19 |  |
| 鉍 | Bi³⁺＋2e⁻ | ⇌ | Bi⁺ | +0.2 |  |
| 銻 | SbO⁺＋2H⁺＋3e⁻ | ⇌ | Sb(s)＋H₂O | +0.20 |  |
| 碳 | CO₂(g)＋4H⁺＋4e⁻ | ⇌ | C(s)＋2H₂O | +0.205 |  |
| 鐵 | 3Fe₂O₃(s)＋2H⁺＋2e⁻ | ⇌ | 2Fe₃O₄(s)＋H₂O | +0.22 |  |
| 銀 | AgCl(s)＋e⁻ | ⇌ | Ag(s)＋Cl⁻ | +0.22233 |  |
| 砷 | H₃AsO₃(aq)＋3H⁺＋3e⁻ | ⇌ | As(s)＋3H₂O | +0.24 |  |
| 釕 | Ru³⁺(aq)＋e⁻ | ⇌ | Ru²⁺(aq) | +0.249 |  |
| 鍺 | GeO(s)＋2H⁺＋2e⁻ | ⇌ | Ge(s)＋H₂O | +0.26 |  |
| 鈾 | UO₂⁺＋4H⁺＋e⁻ | ⇌ | U⁴⁺＋2H₂O | +0.273 |  |
| 砹 | At₂＋e⁻ | ⇌ | 2At⁻ | +0.3 |  |
| 錸 | Re³⁺＋3e⁻ | ⇌ | Re(s) | +0.300 |  |
| 鉍 | Bi³⁺＋3e⁻ | ⇌ | Bi(s) | +0.32 |  |
| 碳（氰） | 2HCNO＋2H⁺＋2e⁻ | ⇌ | (CN)₂＋2H₂O | +0.330 |  |
| 钒 | VO²⁺＋2H⁺＋e⁻ | ⇌ | V³⁺＋H₂O | +0.34 |  |
| 銅 | Cu²⁺＋2e⁻ | ⇌ | Cu(s) | +0.340 |  |
| 砈 | At⁺＋2e⁻ | ⇌ | At⁻ | +0.36 |  |
| 鐵（鐵氰） | Fe(CN)₆³⁻＋e⁻ | ⇌ | Fe(CN)₆⁴⁻ | +0.36 |  |
| 碳（氰） | (CN)₂＋2H⁺＋2e⁻ | ⇌ | 2HCN | +0.373 |  |
| 鎝 | Tc²⁺＋2e⁻ | ⇌ | Tc(s) | +0.40 |  |
| 氧 | O₂(g)＋2H₂O＋4e⁻ | ⇌ | 4OH⁻(aq) | +0.40 |  |
| 鉬 | H₂MoO₄＋6H⁺＋3e⁻ | ⇌ | Mo³⁺＋2H₂O | +0.43 |  |
| 釕 | Ru²⁺＋2e⁻ | ⇌ | Ru(s) | +0.455 |  |
| 鉍 | Bi⁺＋e⁻ | ⇌ | Bi(s) | +0.50 |  |
| 碳 | CH₃OH(aq)＋2H⁺＋2e⁻ | ⇌ | CH₄(g)＋H₂O | +0.50 |  |
| 硫 | SO₂(aq)＋4H⁺＋4e⁻ | ⇌ | S(s)＋2H₂O | +0.50 |  |
| 銅 | Cu⁺＋e⁻ | ⇌ | Cu(s) | +0.520 |  |
| 碳 | CO(g)＋2H⁺＋2e⁻ | ⇌ | C(s)＋H₂O | +0.52 |  |
| 碘 | I₃⁻＋2e⁻ | ⇌ | 3I⁻ | +0.53 |  |
| 碘 | I₂(s)＋2e⁻ | ⇌ | 2I⁻ | +0.54 |  |
| 金（金碘） | AuI₄⁻＋3e⁻ | ⇌ | Au(s)＋4I⁻ | +0.56 |  |
| 砷 | H₃AsO₄(aq)＋2H⁺＋2e⁻ | ⇌ | H₃AsO₃(aq)＋H₂O | +0.56 |  |
| 金（金碘） | AuI₂⁻＋e⁻ | ⇌ | Au(s)＋2I⁻ | +0.58 |  |