Assay (a.d.s.).........................................................................99,5-100,5%
Identity according to Pharmacopoeias................................................ p/t.
MAX. IMPURITIES
Solubility in Carbon Disulphide............................................................ p/t.
Residue on ignition (as SO4)............................................................. 0,5 %
Residual solvents (Ph.Eur./USP)........................................................... p/t.
Acidity (as H2SO4)............................................................................. 0,2 %
Sulphide............................................................................................... p/t.
As............................................................................................... 0,0004 %
