Assay (Perm.)........................................................................99,5-101,0%

MAX. IMPURITIES

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

Residue on ignition (as SO4)........................................................... 0,02 %

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

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

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

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

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

As............................................................................................. 0,00002 %

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

Ca............................10

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

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

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

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

Fe...............................2

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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