Minimum assay (Acidim.)............................................................... 98,0 %

MAX. IMPURITIES

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

Carbonate (as Na2CO3)..................................................................... 1,0 %

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

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

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

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

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

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

Al................................................................................................ 0,0005 %

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

Ca............................................................................................... 0,0005 %

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

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

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

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

Hg............................................................................................. 0,00001 %

K..................................................................................................... 0,02 %

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

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

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

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

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