Minimum assay (Acidim.)............................................................... 99,0 %

MAX. IMPURITIES

Insoluble matter in H2O................................................................... 0,01 %

Nitrogen compounds (as N)......................................................... 0,001 %

Sulphur compounds (as SO4)....................................................... 0,003 %

Chloride (Cl).................................................................................. 0,002 %

Phosphate (PO4)........................................................................... 0,001 %

As............................................................................................... 0,0001 %

Ca................................................................................................. 0,005 %

Cu............................................................................................... 0,0005 %

Fe.................................................................................................. 0,001 %

Mg................................................................................................ 0,005 %

Ni................................................................................................ 0,0005 %

Pb............................................................................................... 0,0005 %