Assay (Compl.)......................................................................99,0-100,5%
Identity according to Pharmacopoeias................................................ p/t.
pH of 5% solution.......................................................................... 4,0-5,6
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Residual solvents (Ph.Eur./USP)........................................................... p/t.
Acidity................................................................................................... p/t.
Alkalis and alkaline-earths................................................................ 0,9 %
Chloride (Cl).................................................................................... 0,03 %
As............................................................................................... 0,0001 %
Fe.................................................................................................... 0,01 %
Pb................................................................................................. 0,002 %