Assay (Iodom.)...................................................................................98 %
pH of 5% solution.......................................................................... 7,0-8,5
Insoluble matter in H2O................................................................. 0,025 %
Acidity (as HCOOH).......................................................................... 0,1 %
Chloride (Cl).................................................................................. 0,005 %
Phosphate (PO4)............................................................................. 0,01 %
Sulphate (SO4)................................................................................ 0,01 %
Cu................................................................................................. 0,002 %
Fe.................................................................................................. 0,002 %
Ni.................................................................................................. 0,002 %
Pb................................................................................................. 0,002 %
