Assay (Acidim.)..................................................................................98 %

Insoluble matter in H2O................................................................... 0,02 %

Residue on ignition (as SO4)........................................................... 0,05 %

Chloride (Cl).................................................................................. 0,002 %

Phosphate (PO4)........................................................................... 0,005 %

Sulphur compounds (SO4)............................................................ 0,005 %

Water (H2O)..........................................................................................2 %

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

As............................................................................................. 0,00005 %

Ca................................................................................................. 0,005 %

Cd................................................................................................. 0,005 %

Co................................................................................................. 0,005 %

Cu................................................................................................. 0,005 %

Fe.................................................................................................. 0,005 %

K..................................................................................................... 0,01 %

Na................................................................................................... 0,01 %

Ni.................................................................................................. 0,005 %

Pb................................................................................................. 0,005 %

Zn................................................................................................. 0,005 %