Assay (Perchl. Ac.) calc. a.d.s..............................................98,5-101,0 %
Identity according to Pharmacopoeias................................................ p/t.
Specific rotation [ï¡]20/D c=8 (in HCl)..................................+26,5 to +29,0°
Specific rotation [ï¡]25/D c=8 (in HCl)..................................+26,6 to +28,8°
pH 5% solution............................................................................... 5,5-7,0
T.L.C..................................................................................................... p/t.
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Loss on drying at 105°C................................................................... 0,3 %
Residue on ignition (as SO4)............................................................. 0,1 %
Organic volatile impurities.................................................................... p/t.
Ammonium (NH4)............................................................................ 0,02 %
Chloride (Cl).................................................................................... 0,02 %
Sulphate (SO4)................................................................................ 0,03 %
Heavy metals (as Pb).................................................................... 0,001 %
Fe.................................................................................................. 0,001 %