common sources of ion of iron(III) cation vs thiocyanate anion

iron(III) cation thiocyanate anion | common sources of ion

iron(III) cation | iron phosphide (3:1) (1 eq) | iron(III) sulfate hydrate (2 eq) | iron(III) phosphate tetrahydrate (1 eq) | iron(III) perchlorate hydrate (1 eq) | iron(III) oxalate hexahydrate (2 eq) | iron(III) nitrate nonahydrate (1 eq) | hemin (1 eq) | diironnonacarbonyl (1 eq) thiocyanate anion | tetrabutylammonium thiocyanate (1 eq) | sodium thiocyanate (1 eq) | lithium thiocyanate hydrate (1 eq) | cobalt dithiocyanate (2 eq) | calcium thiocyanate tetrahydrate (2 eq) | barium thiocyanate hydrate (2 eq)