standar emf bahan
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STANDAR ELEKTROMOTIVE FORCE BAHAN LOGAM
Reaksi Elektroda Standar Potensial*
Au3+ + 3e- Au 1,498
Pt2+ + 2e- Pt 1,200
Pd2+ + 2e- Pd 0,987
Hg2+ + 2e- Hg 0,854
Ag+ + e- Ag 0,800
Cu2+ + 2e- Cu 0,337
2H+ + 2e- H2 0,000 (Referensi)
Pb2+ + 2e- Pb - 0,126
Sn2+ + 2e- Sn - 0,136
Ni2+ + 2e- Ni - 0,250
Co2+ + 2e- Co - 0,277
Cd2+ + 2e- Cd - 0,403
Fe2+ + 2e- Fe - 0,440
Cr3+ + 3e- Cr - 0,744
Zn2+ + 2e- Zn - 0,763
Ti2+ + 2e- Ti - 1,630
Al3+ + 3e- Al - 1,662
Mg2++ 2e- Mg - 2,363
Na+ + 2e- Na - 2,714
Ca2+ + 2e- Ca - 2,870
K+ + e- K - 2,925
*) Pada suhu 25o C, diukur terhadap Elektroda Gas Hidrogen.
Sumber: Corrosion Enginering, Fontana
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