Ammonium Iron (III) sulphate dodecahydrate AR
Ammonium ferric sulphate
| Product Size | 500gm/50 Kg | Grade | Analytical Reagent (AR) |
| Purity | 98.0% | CAS No. | 7783-83-7 |
| Molecular Formula | NH4Fe(SO4)2.12H2O | Molecular Weight | 482.18 |
| H.S. Code | 28332990 | Shelf Life | 60 months |
Specifications
| Appearance | Pale violet crystals |
| Minimum assay (iodometric) | 98.5 - 102% |
| Insoluble matter | Max. 0.01% |
| Chloride (Cl) | Max. 0.001% |
| Ferrous ion (Fe2+) | Passes test (about 0.001%) |
| Nitrate (NO3) | Max. 0.01% |
| Calcium (Ca) | Max. 0.01% |
| Magnesium (Mg) | Max. 0.005% |
| Potassium (K) | Max. 0.005% |
| Sodium (Na) | Max. 0.02% |
| Copper (Cu) | Max. 0.003% |
| Zinc (Zn) | Max. 0.003% |
| Substance not precipitated by NH3 (as SO4) | Max. 0.05% |
Safety Information and Hazard Symbols
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