Minimum assay.............................................................................. 99,0 %

pH of 5% solution............................................................................. 5,2-8

MAX. IMPURITIES

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

Loss on ignition at 800°C................................................................. 0,5 %

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

Nitrogen compounds (as N)....................................................... 0,0005 %

Phosphate (PO4)........................................................................... 0,001 %

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

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

Metals by ICP [mg/Kg (ppm)]

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

Al...............................5

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

B................................5

Ba..............................5

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

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

Ca..........................100

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

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

Cr.............................10

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

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

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

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

K..............................20

Mg...........................50

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

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

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

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

Pt...............................5

Sb..............................5

Se..............................5

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

Sr...............................5

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

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

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