Assay (Acidim.).......................................................................85,0-88,0 %
Identity according to Pharmacopoeias................................................ p/t.
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Residual solvents (Ph.Eur./USP)........................................................... p/t.
Precipit. substances by NH4OH........................................................... p/t.
Hypophosphorous and phosphorous acid........................................... p/t.
Chloride (Cl).................................................................................. 0,005 %
Alkaline phosphates............................................................................. p/t.
Nitrate................................................................................................... p/t.
Sulphate (SO4)................................................................................ 0,01 %
Heavy metals (as Pb).................................................................... 0,001 %
As............................................................................................... 0,0002 %
Ca................................................................................................... 0,01 %
Cu................................................................................................. 0,001 %
Fe.................................................................................................. 0,005 %
Mg.................................................................................................. 0,01 %
Ni.................................................................................................. 0,001 %
Pb................................................................................................. 0,001 %
