Minimum assay (G.C.).................................................................... 98,0 %

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

Melting range............................................................................ 165-168°C

Specific rotation [a]20/D c=10 (in B4O7Na2.10H2O 13%)......+23,3 to+24,3°

MAX. IMPURITIES

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

Loss on drying at 105°C................................................................. 0,05 %

Residue on ignition (as SO4)........................................................... 0,01 %

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

Acidity.................................................................................. 0,0008 meq/g

D(-)-Sorbite (G.C.)................................................................................1 %

Reducing sugars (as C6H12O6)......................................................... 0,05 %

Chloride (Cl)................................................................................ 0,0025 %

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

Heavy metals (as Pb).................................................................. 0,0005 %

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

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

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

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

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

Pb............................................................................................. 0,00005 %

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