Assay (Compl.)......................................................................99,0-105,0%

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

MAX. IMPURITIES

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

Oxidizing substances (as NO3)..................................................... 0,003 %

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

Sulphate (SO4)................................................................................ 0,01 %

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

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

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

Metals by ICP [mg/Kg (ppm)]

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

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

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

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

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

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

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

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

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

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

Mg...........................50

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

Mo...............................

Na..........................200

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

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

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

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

Zn............................10