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

MAX. IMPURITIES

Insoluble matter in NH4OH............................................................. 0,01 %

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

Nitrate (NO3).................................................................................. 0,002 %

Sulphate (SO4)................................................................................ 0,01 %

Heavy metals (as Pb).................................................................... 0,001 %

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

Cu................................................................................................. 0,001 %

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

Ni.................................................................................................. 0,001 %

Pb................................................................................................. 0,001 %