CAS Number
7783-83-7
Formula
NH4Fe(SO4)2.12H2O
Weight
M: 482,19 EC: 233-382-4 NC: 2833 30 00
| Appearance | Pale violet crystals |
| Assay (iodometric) | 98,5 - 102% |
| Insoluble matter | Max 0,01% |
| Chloride (Cl) | Max 0,001% |
| Ferrous ion (Fe2+) | p/t. |
| 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% |
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