Assay (Perchl. Ac.) calc. a.a.s...............................................99,0-100,5%
Identity according to Pharmacopoeias................................................ p/t.
pH of 5% solution.......................................................................... 7,5-9,0
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Insoluble matter in H2O................................................................. 0,025 %
Residual solvents (Ph.Eur./USP)............................................................ p/t
Darkened substances by H2SO4........................................................... p/t.
Acidity or alkalinity............................................................................... p/t.
Chloride (Cl).................................................................................. 0,005 %
Phosphate (PO4)........................................................................... 0,005 %
Oxalate (C2O4)................................................................................. 0,03 %
Sulphate (SO4).............................................................................. 0,015 %
Tartrate................................................................................................. p/t.
Ammonium (NH4).......................................................................... 0,002 %
Heavy metals (as Pb).................................................................... 0,001 %
Water (H2O).............................................................................11,0-13,0 %
As............................................................................................... 0,0001 %
Cu............................................................................................... 0,0005 %
Fe.................................................................................................. 0,001 %
K....................................................................................................... 0,1 %
Ni.................................................................................................. 0,001 %
Pb................................................................................................. 0,001 %
