Minimum assay (Perm.).................................................................. 98,0 %

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,003 %

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

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

Heavy metals (as Pb).................................................................... 0,001 %

As............................................................................................. 0,00004 %

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

Ca............................25

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

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

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

Cu............................10

Fe.............................10

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

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

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

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

Li................................5

Mg...........................25

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

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

Ni.............................10

Pb............................10

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

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

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

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

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

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

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

Zn............................10