Assay.................................................................................................98 %
pH of 5% solution.......................................................................... 5,5-8,0
Insoluble matter in H2O................................................................. 0,025 %
Loss on drying at 105°C................................................................... 1,0 %
Nitrogen compounds (as N)......................................................... 0,002 %
Chloride (Cl).................................................................................... 0,01 %
Phosphate (PO4)........................................................................... 0,005 %
As............................................................................................... 0,0001 %
Ca................................................................................................... 0,03 %
Cu................................................................................................. 0,003 %
Fe.................................................................................................. 0,003 %
Mg.................................................................................................. 0,03 %
Ni.................................................................................................. 0,003 %
Pb................................................................................................. 0,003 %
