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

MAX. IMPURITIES

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

Loss on drying at 105°C................................................................... 0,2 %

Nitrogen compounds (as N)......................................................... 0,002 %

Bromide (Br)................................................................................... 0,01 %

Chlorate and nitrate (as NO3)........................................................ 0,005 %

Hexacyanoferrate(II)............................................................................. p/t.

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

Sulphate (SO4)................................................................................ 0,02 %

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

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

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

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

Fe................................................................................................ 0,0002 %

K..................................................................................................... 0,01 %

Mg................................................................................................ 0,002 %

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

Pb............................................................................................... 0,0002 %