Assay (Perchl. Ac.).............................................................................98 %
pH of 5% solution.......................................................................... 6,5-9,0
Insoluble matter in H2O................................................................. 0,025 %
Chloride (Cl).................................................................................. 0,005 %
Phosphate (PO4)........................................................................... 0,005 %
Sulphate (SO4)................................................................................ 0,05 %
Ammonium (NH4).......................................................................... 0,005 %
Cu................................................................................................. 0,003 %
Fe.................................................................................................. 0,003 %
Ni.................................................................................................. 0,003 %
Pb................................................................................................. 0,003 %
