Assay (Arg.) calc. a.d.s............................................................99-100,5 %

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

pH of 5% solution.......................................................................... 4,5-6,0

MAX. IMPURITIES

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

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

Loss on drying at 105°C................................................................... 0,5 %

Residue on ignition (as SO4)............................................................. 0,1 %

Residual solvents (Ph.Eur.) (*)

Acidity and alkalinity............................................................................. p/t.

Magnesium and alkaline-earth salts (as Ca).................................. 0,02 %

Bromate................................................................................................ p/t.

Chloride (Cl)...................................................................................... 0,5 %

Sulphate (SO4)................................................................................ 0,01 %

Iodide (I)................................................................................................ p/t.

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

Ba................................................................................................... 0,01 %

Ca................................................................................................... 0,01 %

Cu................................................................................................. 0,001 %

Fe.................................................................................................. 0,001 %

Ni.................................................................................................. 0,001 %

Pb................................................................................................. 0,001 %

(*) Excluded by manufacturing process