Chemical Formula: Al2(SO4 )3 (NH4) SO4
Minimum wt.: 453.33

Physical Appearance : White / Transparent free flowing fine sugar like crystals

* Ammonium Alum percentage by weight. 98.5 % min
* Matter insoluble in water 0.15 %
* Alkeli And Alkaline 0.50 %
* pH not less than. 2.9
* Arsenic (as AS2O3) parts per million
* Heavy Metals (as Pb), parts per million
* Chlorides (as Cl)
* Iron as (as Fe), percent by weight, Max 0.006 %
* Fluride (as F), percent by weight, Max
* Selium (as Se) , percent by weight, Max