Assay (Compl.)......................................................................99,0-101,0%

Identity according to Pharmacopoeias................................................ p/t.

pH of 5% solution.......................................................................... 4,0-5,0

MAX. IMPURITIES

Appearance of solution........................................................................ p/t.

Insoluble matter in H2O................................................................... 0,01 %

Loss on drying at 200°C 3 h.....................................................8,7-11,4 %

Residual solvents (Ph.Eur./USP)............................................................ p/t

Nitrilotriacetic Acid [(CH2COOH)3]..................................................... 0,1 %

Chloride (Cl).................................................................................... 0,02 %

Sulphate (SO4).................................................................................. 0,1 %

Heavy metals (as Pb).................................................................... 0,001 %

As............................................................................................... 0,0001 %

Ca......................................................................................................... p/t.

Cu................................................................................................. 0,002 %

Fe................................................................................................ 0,0005 %

Ni.................................................................................................. 0,002 %

Pb................................................................................................. 0,002 %