Assay.................................................................................................99 %
pH of 5% solution.......................................................................... 5,0-8,0
Insoluble matter in H2O................................................................. 0,025 %
Chloride (Cl).................................................................................. 0,005 %
Phosphate (PO4)........................................................................... 0,001 %
Sulphate (SO4)................................................................................ 0,01 %
Ammonium (NH4).......................................................................... 0,005 %
Heavy metals (as Pb).................................................................... 0,002 %
As............................................................................................... 0,0002 %
Ca................................................................................................. 0,005 %
Cu................................................................................................. 0,001 %
Fe.................................................................................................. 0,001 %
Mg................................................................................................ 0,005 %
Ni.................................................................................................. 0,001 %
Pb................................................................................................. 0,001 %
