Aluminium Ammonium Sulphate AR
Ammonium alum
| Product Size | 500gm/1Kg/50Kg | Grade | Analytical Reagent (AR) |
| Purity | 99.0% | CAS No. | 7784-26-1 |
| Molecular Formula | AlNH4(SO4)2.12H2O | Molecular Weight | 453.32 |
| H.S. Code | 28333000 | Shelf Life | 60 months |
Specifications
| Description | Colourless crytals or crystalline powder |
| Minimum assay | 99.0% |
| Minimum pH (5% solution) | 3.0 |
| Water-insoluble matter | Max. 0.005% |
| Chloride (Cl) | Max. 0.001% |
| Phosphate (PO4) | Max. 0.001% |
| Silicate (SiO2) | Max. 0.001% |
| Copper (Cu) | Max. 0.0005% |
| Iron (Fe) | Max. 0.0005% |
| Lead (Pb) | Max. 0.0005% |
| Potassium (K) | Max. 0.02% |
| Sodium (Na) | Max. 0.005% |
Safety Information and Hazard Symbols
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