Minimum assay (Arg.)..................................................................... 99,5 %

MAX. IMPURITIES

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

Nitrogen compounds (as N)......................................................... 0,003 %

Phosphate (PO4)........................................................................... 0,002 %

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

Metals by ICP [mg/Kg (ppm)]

Al.............................10

As..............................1

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

Ba............................10

Bi...............................2

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

Cd..............................3

Co..............................3

Cr...............................3

Cu..............................3

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

K..............................20

Li..............................20

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

Mn.............................3

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

Na............................30

Ni...............................3

Pb..............................3

Sr...............................3

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

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