Assay (Compl.) (Al2(SO4)3).......................................................51,0-59,0 %

pH of 2% solution.......................................................................... 2,5-4,0

MAX. IMPURITIES

Alkali and alkaline-earth salts........................................................... 0,4 %                                                                    

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

Ammonium (NH4)............................................................................ 0,05 %

Heavy metals (as Pb).................................................................... 0,004 %

As............................................................................................... 0,0003 %

Cu................................................................................................. 0,002 %

Fe.................................................................................................... 0,01 %

Ni.................................................................................................. 0,002 %

Pb................................................................................................. 0,002 %