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

pH of 5% solution...............................................................................≥3,0

MAX. IMPURITIES

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

Nitrogen compounds (as N)......................................................... 0,005 %

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

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

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

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

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

Mg................................................................................................ 0,005 %

Mn.............................................................................................. 0,0025 %

Na................................................................................................... 0,01 %

Ni.................................................................................................. 0,025 %

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

Zn................................................................................................. 0,005 %