| Article No | F-03994 | ||
| CAS No | 7783-83-7 | ||
| HSN Code | 28332990 | ||
| Purity | 98.5 - 102% | ||
| Grade | AR | ||
| Molecular Formula | NH4Fe(SO4)2.12H2O | ||
| Molecular Weight | 482.19 | ||
| Shelf Life | 5 years | ||
500 gm
| Description | Pale violet crystals | ||
| Assay (Iodometry) | 98.5 - 102% | ||
| Insoluble matter | Max.0.01% | ||
| Chloride (Cl) | Max.0.001% | ||
| Substances not precipitable by NH3 | Max. 0.05% | ||
| Ferrous ion | 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% | ||
| Melting point/Freezing point (° C) | 39-41 °C | ||
| Solubility in water | 482.2 g/l at 20°C | ||