Assay (Iodom.) a.d.s..........................................................................98 %
Identity..............................................................................................IR p/t.
Melting range............................................................................ 174-179°C
Residue on ignition (as SO4)............................................................. 0,3 %
Sulphate (SO4)................................................................................ 0,05 %
Cu................................................................................................. 0,002 %
Fe.................................................................................................. 0,002 %
Ni.................................................................................................. 0,002 %
Pb................................................................................................. 0,002 %