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

MAX. IMPURITIES

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

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

Neutrality.............................................................................................. p/t.

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

Sulphate (SO4)................................................................................ 0,01 %

Ammonium (NH4).......................................................................... 0,002 %

Heavy metals (as Pb).................................................................... 0,002 %

Metals by ICP [mg/Kg (ppm)]

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

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

Ba............................20

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

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

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

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

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

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

Mg...........................20

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

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

Na..........................200

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

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

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

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