Assay (Acidim.)..................................................................................98 %
Insoluble matter in H2O................................................................. 0,025 %
Nitrogen compounds (as N)......................................................... 0,005 %
Chloride (Cl).................................................................................. 0,005 %
Sulphate (SO4)................................................................................ 0,03 %
As............................................................................................... 0,0005 %
Cu................................................................................................. 0,002 %
Fe.................................................................................................. 0,002 %
Ni.................................................................................................. 0,002 %
Pb................................................................................................. 0,002 %
