Assay (Acidim.)..................................................................................98 %
Insoluble matter in H2O................................................................... 0,05 %
Phosphorus(III) oxide (P2O3)............................................................ 0,05 %
Nitrogen compounds (as N)........................................................... 0,01 %
Cu................................................................................................. 0,005 %
Fe.................................................................................................. 0,005 %
Ni.................................................................................................. 0,005 %
Pb................................................................................................. 0,005 %
