CAS Number
7784-26-1
Formula
NH4Al(SO4)2.12H2O
Weight
M: 453,33
EC: 232-055-3
NC: 2833 30 00
| Assay (Compl.) calc. a.d.s | 99,0-100,5% |
| Identity according to Pharmacopoeias | p/t. |
| pH of 5% solution | ≥3,0 |
| MAX. IMPURITIES | |
| Insoluble matter in H2O | 0,02 % |
| Loss on drying at 300°C | 45,0-48,0 % |
| Residual solvents (Ph.Eur./USP) | p/t. |
| Alkali and alkaline-earth salts | 0,5 % |
| Chloride (Cl) | 0,005 % |
| Phosphate (PO4) | 0,005 % |
| Heavy metals (as Pb) | 0,002 % |
| As | 0,0002 % |
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