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

pH of 5% solution.......................................................................... 8,5-9,6

MAX. IMPURITIES

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

Loss on drying at 105°C................................................................... 1,0 %

Nitrogen compounds (as N)......................................................... 0,001 %

Chloride (Cl).................................................................................. 0,002 %

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

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

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

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

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

Cu..............................2

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

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

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

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

Li..............................10

Mg.............................5

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

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

Na..........................500

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

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

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

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

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

Sn..............................5

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

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

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

Zn..............................5

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