Minimum assay (Acidim.)............................................................... 99,0 %

pH of 5% solution.......................................................................... 4,2-4,5

MAX. IMPURITIES

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

Loss on drying at 105°C................................................................... 0,2 %

Nitrogen compounds (as N)......................................................... 0,001 %

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

Sulphate (SO4).............................................................................. 0,003 %

Heavy metals (as Pb).................................................................... 0,001 %

As............................................................................................. 0,00005 %

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ge...............................5

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

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

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

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

Na.............................50

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

Pb...............................5

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

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

Si................................5

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

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

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

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

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

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