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

pH of 5% solution...............................................................................≥2,8

MAX. IMPURITIES

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

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

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

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

Metals by ICP [mg/Kg (ppm)]

Ca............................50

Cd............................50

Co............................10

Cr.............................30

Fe.............................50

K..............................50

Hg............................10

Mg...........................20

Mn...........................10

Na............................50

Ni...........................100

Pb............................10

Sb............................10

Sr.............................20

Ti..............................10

V..............................10

Zn..........................300