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

pH of 5% solution.......................................................................... 6,0-9,0

MAX. IMPURITIES

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

Nitrogen compounds (as N)......................................................... 0,002 %

Chloride and bromide (as Cl).......................................................... 0,01 %

Phosphate (PO4)........................................................................... 0,001 %

Sulphate (SO4)............................................................................ 0,0025 %

Iodate (IO3).................................................................................. 0,0003 %

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

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

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

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

K............................100

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

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

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

Pb..............................1

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

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

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

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

Zr...............................5