Assay (Compl.)......................................................................99,0-100,5%

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

pH of 10% solution........................................................................ 3,0-3,5

MAX. IMPURITIES

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

Loss on drying at 400°C.........................................................43,0-46,0 %

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

Chloride (Cl).................................................................................... 0,01 %

Ammonium (NH4)............................................................................ 0,01 %

Heavy metals (as Pb).................................................................... 0,002 %

As............................................................................................... 0,0002 %

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

Fe.................................................................................................. 0,002 %

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

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