Assay (Perm.)........................................................................99,5-102,5%

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

MAX. IMPURITIES

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

Residue on ignition (as SO4)........................................................... 0,01 %

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

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

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

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

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

Metals by ICP [mg/Kg (ppm)]

Ag..............................2

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

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

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

Ba............................15

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

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

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

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

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

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

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

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

Ga..............................2

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

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

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

Mg...........................10

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

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

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

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

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

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

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

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

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

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

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

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

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