Minimum assay (Perchl. Ac.).......................................................... 99,0 %

pH of 5% solution.......................................................................... 6,5-9,0

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,005 %

Chloride (Cl).................................................................................. 0,002 %

Nitrogen compounds (as N)......................................................... 0,001 %

Phosphate (PO4)........................................................................... 0,001 %

Sulphate (SO4).............................................................................. 0,002 %

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

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

Ca................................................................................................. 0,005 %

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

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

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

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

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

Na................................................................................................... 0,03 %

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

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

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