Minimum assay (Arg.) calc. a.d.s.................................................... 99,0 %

Identity..............................................................................................IR p/t.

Melting range............................................................................ 158-163°C

pH 10% solution............................................................................. 5,0-6,5

MAX. IMPURITIES

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

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

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

Water (H2O)....................................................................................... 5,0 %

Sulphate (SO4).............................................................................. 0,005 %

Al................................................................................................ 0,0005 %

Ba............................................................................................... 0,0005 %

Ca................................................................................................. 0,002 %

Cd............................................................................................... 0,0005 %

Co............................................................................................... 0,0005 %

Cr................................................................................................ 0,0005 %

Cu............................................................................................... 0,0005 %

Fe................................................................................................ 0,0005 %

K................................................................................................... 0,005 %

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

Mn.............................................................................................. 0,0005 %

Na................................................................................................. 0,005 %

Ni................................................................................................ 0,0005 %

Pb............................................................................................... 0,0005 %

Zn............................................................................................... 0,0005 %