Assay (Acidim.) calc. applied anh. subs................................99,5-100,5%

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

MAX. IMPURITIES

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

Colour of solution................................................................................. p/t.

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

Residue on ignition (as SO4)........................................................... 0,05 %

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

Darkened substances by H2SO4........................................................... p/t.

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

Oxalate (C2O4)............................................................................... 0,035 %

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

Water (H2O).................................................................................7,5-8,8 %

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

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

Ba......................................................................................................... p/t.

Ca................................................................................................... 0,02 %

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

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

Mg................................................................................................ 0,005 %

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

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