Assay (Acidim.)......................................................................99,5-101,0%
Identity according to Pharmacopoeias................................................ p/t.
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Insoluble matter in H2O................................................................... 0,01 %
Loss on drying.................................................................................. 0,3 %
Residual solvents (Ph.Eur./USP)............................................................ p/t
Nitrogen compounds (as N)....................................................... 0,0015 %
Sulphur compounds (as SO4)....................................................... 0,005 %
Carbonate (as K2CO3)....................................................................... 2,5 %
Carbonate (Ph. Eur.)............................................................................. p/t.
Chloride (Cl).................................................................................. 0,005 %
Phosphate (PO4)........................................................................... 0,001 %
Heavy metals (as Pb).................................................................... 0,001 %
As............................................................................................... 0,0002 %
Ca................................................................................................... 0,01 %
Fe.................................................................................................. 0,001 %
Mg.................................................................................................. 0,01 %
Na..................................................................................................... 0,5 %
