Minimum assay (Arg.)..................................................................... 97,0 %

MAX. IMPURITIES

Insoluble matter in H2O................................................................... 0,01 %

Chloride (Cl).................................................................................... 0,05 %

Phosphate (PO4)........................................................................... 0,005 %

Sulphate (SO4)................................................................................ 0,02 %

Sulphide (S).................................................................................. 0,001 %

Thiocyanate (SCN).......................................................................... 0,01 %

Metals by ICP [mg/Kg (ppm)]

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

As............................10

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

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

Fe...........................100

Ge............................10

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

In................................5

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

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

Na........................5000

Pb..............................2

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

Se..............................5

Si.............................10

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

Zn..........................200