Assay (Acidim.) (w/w)........................................................... 25,0-27,0 %*

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

Density at 20/20.................................................................... 0,901-0,907*

MAX. IMPURITIES

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

Non-volatile matter....................................................................... 0,002 %

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

Reducing substances to KMnO4.......................................................... p/t.

Pyridine and homologues (as C6H5N)......................................... 0,0002 %

Carbonate..................................................................................... 0,005 %

Sulphur compounds (as SO4)..................................................... 0,0005 %

Chloride (Cl)................................................................................ 0,0001 %

Phosphate (PO4)......................................................................... 0,0005 %

Heavy metals (as Pb).................................................................. 0,0001 %

Ca................................................................................................. 0,001 %

Cu............................................................................................... 0,0001 %

Fe............................................................................................ 0,000025 %

Mg................................................................................................ 0,001 %

Ni................................................................................................ 0,0001 %

Pb............................................................................................... 0,0001 %

Zn............................................................................................... 0,0001 %