Minimum assay (Acidim.)..................................................................85 %

MAX. IMPURITIES

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

Carbonate (as K2CO3)....................................................................... 1,0 %

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

Chloride (Cl).................................................................................. 0,005 %

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

Silicate (as SiO2)............................................................................. 0,01 %

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

Al.................................................................................................. 0,001 %

As............................................................................................. 0,00005 %

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

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

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

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

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

Mg.............................................................................................. 0,0005 %

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

Na..................................................................................................... 0,5 %

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

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

Zn................................................................................................. 0,001 %