Assay (Compl.)......................................................................99,0-102,0%

pH of 5% solution.......................................................................... 5,0-6,5

MAX. IMPURITIES

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

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

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

Nitrate (NO3).................................................................................. 0,001 %

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

Ammonium (NH4).......................................................................... 0,002 %

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

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

Metals by ICP [mg/Kg (ppm)]

Ag..............................5

Au..............................5

Ba............................20

Be..............................5

Bi...............................5

Ca............................50

Cd..............................5

Co..............................5

Cr...............................5

Cu..............................5

Fe...............................5

Ga..............................5

Ge..............................5

Hg..............................5

In................................5

K..............................50

Mn.............................5

Mo.............................5

Na............................50

Ni...............................5

Pb..............................5

Si...............................5

Sr.............................50

Ti................................5

Tl................................5

V................................5

Zn............................10

Zr...............................5