Assay (Perchl. Ac.) (calc. a.a.s.)............................................99,0-101,0%
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................................................................. 0,005 %
Loss on drying at 130°C.........................................................39,0-40,5 %
Residual solvents (Ph.Eur./USP)............................................................ p/t
Reducing substances........................................................................... p/t.
Chloride (Cl).................................................................................. 0,005 %
Nitrogen compounds (as N)......................................................... 0,005 %
Phosphate (PO4)........................................................................... 0,001 %
Sulphate (SO4).............................................................................. 0,003 %
Calcium and magnesium (as Ca).................................................. 0,005 %
Heavy metals (as Pb).................................................................. 0,0006 %
Al.............................................................................................. 0,00002 %
As............................................................................................. 0,00005 %
Cu................................................................................................. 0,001 %
Fe.................................................................................................. 0,001 %
K........................................................................................................... p/t.
