Assay (Perm.).......................................................................96,0-103,0 %
Identity according to Pharmacopoeias................................................ p/t.
pH of 1% solution...................................................................... 10,2-10,6
MAX. IMPURITIES
Residual solvents (Ph.Eur./USP)........................................................... p/t.
Chloride (Cl).................................................................................. 0,010 %
Sulphate (SO4).................................................................................. 1,2 %
Heavy metals (as Pb).................................................................... 0,001 %
Ag................................................................................................. 0,001 %
As............................................................................................... 0,0008 %
Bi.................................................................................................. 0,027 %
Cd................................................................................................. 0,001 %
Cu................................................................................................. 0,005 %
Cr.................................................................................................. 0,001 %
Fe.................................................................................................. 0,002 %
Ni.................................................................................................. 0,001 %
Zn................................................................................................. 0,005 %
