Assay (as Fe) (Iodom.)............................................................14,5-16,0 %

Insoluble matter in H2O......................................................................... p/t.

Loss on drying at 105°C................................................................... 6,0 %

Chloride (Cl).................................................................................... 0,05 %

Sulphate (SO4).................................................................................. 1,5 %

Tartrate................................................................................................. p/t.

Fe(III) not complexated......................................................................... p/t.

Heavy metals (as Pb).................................................................... 0,005 %

As............................................................................................... 0,0004 %