Assay (Iodom.).......................................................................98,0-102,0%

pH of 5% solution.......................................................................... 2,8-4,0

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,005 %

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

Ammonium (NH4)............................................................................ 0,01 %

Heavy metals (as Pb)...................................................................... 0,01 %

Al.................................................................................................. 0,005 %

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

Cd................................................................................................. 0,005 %

Co................................................................................................. 0,005 %

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

Fe.................................................................................................... 0,01 %

Na................................................................................................... 0,05 %

Ni.................................................................................................. 0,005 %

Pb................................................................................................. 0,005 %

Zn................................................................................................. 0,005 %