CASR |
: | 17927-65-0 |
Molecular Formula |
: | Al2(SO4)3.16H2O |
Molecular Weight |
: | 630.38 |
Specifications | |
---|---|
Description: | White, crystalline powder, shining plates, or crystalline fragments. |
Solubility: | Freely soluble in water; insoluble in alcohol. |
Identification by Chemical test: | A solution (1 in 10) responds to the tests for aluminium and sulphate |
pH: | Not less than 2.9 |
Water: | Not less than 41.0% and not more than 46.0% |
Heavy metals: | 20ppm max |
Limit of alkalies and alkaline earths: | 0.4% max |
Limit of ammonium salts: | The odor of ammonia is not perceptible. |
Iron (Fe): | No blue color is produced immediately |
Assay: | Not less than 54.0% and not more than 59.0% of Al2O3 |