Assay (Compl.)..................................................................................98 %
Insoluble matter in H2O and precipit. by NH4OH.......................... 0,025 %
Acidity (as HCl)............................................................................. 0,025 %
Alkalinity [as Ca(OH)2]..................................................................... 0,03 %
Phosphate (PO4)........................................................................... 0,003 %
Sulphate (SO4)................................................................................ 0,05 %
Ammonium (NH4)............................................................................ 0,01 %
As............................................................................................... 0,0001 %
Cu................................................................................................. 0,002 %
Fe.................................................................................................. 0,005 %
Ni.................................................................................................. 0,002 %
Pb................................................................................................. 0,002 %
