Assay (Acidim.) calc a.d.s.....................................................98,5-101,0%

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

Specific rotation [a] 20/D c=0,5 (in H2O)........................... -0,10 to +0,10°

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

MAX. IMPURITIES

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

Insoluble matter in H2O......................................................................... p/t.

Loss on drying at 105°C................................................................... 0,1 %

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

Acidity or alkalinity............................................................................... p/t.

Related substances.............................................................................. p/t.

Reducing substances........................................................................... p/t.

Chloride (Cl).................................................................................. 0,005 %

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