Assay (Arg.)...........................................................................99,5-100,5%

pH of 5% solution.......................................................................... 5,4-8,0

MAX. IMPURITIES

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

Loss on drying at 150°C................................................................... 0,1 %

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

Bromide (Br)................................................................................... 0,01 %

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

Chlorate and nitrate (as NO3)........................................................ 0,003 %

Sulphate (SO4).............................................................................. 0,001 %

Iodide (I)........................................................................................ 0,002 %

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

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

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

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

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

Fe...............................2

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

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

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

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

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

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

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

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

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

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

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

Pt...............................5

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

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

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

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

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

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

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

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

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

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