Minimum assay (Iodom.) a.d.s....................................................... 99,8 %

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

MAX. IMPURITIES

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

Loss on drying at 150°C................................................................... 0,1 %

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

Bromide (Br)................................................................................... 0,02 %

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

Heavy metals (as Pb).................................................................. 0,0005 %

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

Cd............................................................................................... 0,0005 %

Co............................................................................................... 0,0005 %

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

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

Mg................................................................................................ 0,001 %

Mn.............................................................................................. 0,0005 %

Na................................................................................................... 0,01 %

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

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

Zn............................................................................................... 0,0005 %