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

MAX. IMPURITIES

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

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

Nitrogen compounds (as N)....................................................... 0,0005 %

Chloride (Cl).................................................................................. 0,001 %

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

Silicate (as SiO2)........................................................................... 0,001 %

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

Heavy metals (as Ag).................................................................... 0,001 %

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

As............................................................................................. 0,00004 %

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

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

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

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

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

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

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

Na................................................................................................... 0,05 %

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

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

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