Assay (Iodom.).......................................................................99,0-100,5%
Identity according to Pharmacopoeias................................................ p/t.
pH of 10% solution........................................................................ 6,0-8,4
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Loss on drying........................................................................32,0-37,0 %
Residual solvents (Ph.Eur./USP)............................................................ p/t
Nitrogen compounds (as N)........................................................... 0,01 %
Chloride (Cl).................................................................................... 0,02 %
Sulphate and Sulphite (as SO4)........................................................ 0,2 %
Sulphide (S).......................................................................................... p/t.
Heavy metals (as Pb).................................................................... 0,001 %
As............................................................................................... 0,0003 %
Ca......................................................................................................... p/t.
Cu................................................................................................. 0,001 %
Fe.................................................................................................. 0,001 %
Mg.................................................................................................. 0,01 %
Ni.................................................................................................. 0,001 %
Pb................................................................................................. 0,001 %
