Assay (Compl.).....................................................................99,0-103,0 %

pH of 5% solution.......................................................................... 5,0-7,0

MAX. IMPURITIES

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

Chloride (Cl).................................................................................. 0,005 %

Nitrite (NO2)................................................................................... 0,001 %

Sulphate (SO4).............................................................................. 0,002 %

Ammonium (NH4).......................................................................... 0,005 %

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

Metals by ICP [mg/Kg (ppm)]

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

Ba............................50

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

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

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

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

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

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

K..............................50

Mg.........................100

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

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

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

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

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

Sr...........................100

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

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