Minimum assay (Perchl. Ac.).............................................................99 %

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

Melting range............................................................................ 150-152°C

pH of 5% solution.......................................................................... 3,5-5,0

MAX. IMPURITIES

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

Residue on ignition (as SO4)........................................................... 0,02 %

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

ABS at l240 nm 10% sol. in H2O..........................................................0,1

ABS at l260 nm 10% sol. in H2O........................................................0,05

ABS at l280 nm 10% sol. in H2O........................................................0,05

ABS at l300 nm 10% sol. in H2O........................................................0,02

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

Heavy metals (as Pb).................................................................. 0,0002 %

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

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

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

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

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

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

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

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