Anodic:	4Fe2+ + 8e– → 4Fe (Iron Dissolution)	E°′ = −447 mV
Cathodic:	SO42– + 9H+ + 8e– → HS– + 4H2O (BCSR)	E°′ = −213 mV
Total:	SO42– + 9H+ + 4Fe → 4H2O + HS– + 4Fe2+	Ecell = +234 mV