Assay (Acidim.)......................................................................99,5-102,0%

Identity..............................................................................................IR p/t.

MAX. IMPURITIES

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

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

Darkened substances by H2SO4........................................................... p/t.

Chloride (Cl)................................................................................ 0,0005 %

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

Oxalate (C2O4)................................................................................. 0,05 %

Sulphur compounds (as SO4)....................................................... 0,002 %

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

As............................................................................................. 0,00001 %

Metals by ICP [mg/Kg (ppm)]

Al...............................2

Au..............................2

B................................2

Ba..............................2

Be..............................2

Ca............................20

Cd..............................2

Co..............................2

Cr...............................2

Cu...........................0,5

Fe...............................3

Ge..............................2

In................................2

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

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

Mn.............................2

Mo.............................2

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

Ni...............................2

Pb..............................2

Pt...............................2

Sb..............................2

Si.............................10

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

Sr...............................2

Ti................................2

Tl................................2

V................................2

Zn..............................2

Zr...............................2