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

pH of 5% solution.......................................................................... 7,7-8,1

MAX. IMPURITIES

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

Sulphur compounds (as SO4)....................................................... 0,004 %

Chloride (Cl)................................................................................ 0,0005 %

Nitrate (NO3).................................................................................. 0,003 %

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

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

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

Cu................................................................................................. 0,001 %

Fe.................................................................................................. 0,001 %

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

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

Na................................................................................................. 0,005 %

Ni.................................................................................................. 0,001 %

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