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

MAX. IMPURITIES

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

Non-precipitated substances by H2S (as SO4)................................. 0,1 %

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

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

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

Ca................................................................................................. 0,005 %

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

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

K................................................................................................... 0,002 %

Na................................................................................................. 0,002 %

Pb................................................................................................. 0,003 %

Zn................................................................................................. 0,002 %