Assay (Acidim.).......................................................................69,0-72,0 %
Residue on ignition......................................................................... 0,01 %
Nitrogen compounds (as N)......................................................... 0,005 %
Chlorine (Cl)................................................................................ 0,0005 %
Chlorate (ClO3).............................................................................. 0,005 %
Chloride (Cl).................................................................................. 0,001 %
Phosphate and Silicate (as PO4)................................................... 0,002 %
Sulphate (SO4).............................................................................. 0,003 %
As............................................................................................... 0,0001 %
Fe................................................................................................ 0,0005 %
Ni................................................................................................ 0,0005 %
Pb............................................................................................... 0,0005 %
