Minimum assay.............................................................................. 99,0 %

pH of 5% solution.......................................................................... 5,2-8,2

MAX. IMPURITIES

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

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

Nitrogen compounds (as N)....................................................... 0,0003 %

Phosphate (PO4)......................................................................... 0,0005 %

Heavy metals (as Pb).................................................................. 0,0003 %

As............................................................................................... 0,0001 %

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

Fe...............................5

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

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

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

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

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

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

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

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

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

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