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

Melting range............................................................................ 178-181°C

MAX. IMPURITIES

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

Loss on drying at 105°C................................................................... 0,5 %

Residue on ignition (as SO4)........................................................... 0,03 %

Chloride (Cl).................................................................................... 0,01 %

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

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

Fe.................................................................................................. 0,001 %

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

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