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

pH of 5% solution.......................................................................... 7,0-8,5

MAX. IMPURITIES

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

Acidity (as HCOOH)........................................................................ 0,05 %

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

Phosphate (PO4)........................................................................... 0,005 %

Oxalate................................................................................................. p/t.

Sulphate (SO4).............................................................................. 0,001 %

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

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

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

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

Ni.................................................................................................. 0,001 %

Pb................................................................................................. 0,001 %