Minimum assay (Acidim.)............................................................... 99,0 %

pH of 5% solution.......................................................................... 8,7-9,3

MAX. IMPURITIES

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

Nitrogen compounds (as N)......................................................... 0,002 %

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

Pyrophosphate (P2O7)....................................................................... 0,2 %

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

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

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

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

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

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

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

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

Fe.................................................................................................. 0,002 %

K................................................................................................... 0,005 %

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

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

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

Pb................................................................................................. 0,001 %

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