Minimum assay (Perchl. Ac.).......................................................... 99,0 %

pH of 5% solution.......................................................................... 7,5-9,0

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,003 %

Darkened substances by H2SO4........................................................... p/t.

Reducing substances........................................................................... p/t.

Chloride (Cl).................................................................................. 0,001 %

Oxalate (C2O4)................................................................................. 0,01 %

Sulphate (SO4).............................................................................. 0,005 %

Ammonium (NH4).......................................................................... 0,001 %

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

As............................................................................................. 0,00004 %

Cu............................................................................................. 0,00005 %

Fe................................................................................................ 0,0005 %

Na..................................................................................................... 0,1 %

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

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