CAS Number
Formula
NH4Al(SO4)2.12H2O
Weight
M: 453,33 EC: 232-055-3 NC: 2833 30 00
Assay (Compl.) | 99,0-102,0% |
pH of 5% solution | ≥3,0 |
MAX. IMPURITIES | |
Insoluble matter in H2O | 0,005 % |
Loss on drying at 300°C | 48 % |
Alkali and alkaline-earth salts | 0,3 % |
Chloride (Cl) | 0,001 % |
Phosphate (PO4) | 0,0025 % |
Heavy metals (as Pb) | 0,001 % |
As | 0,00005 % |
Ca | 0,05 % |
Cu | 0,0005 % |
Fe | 0,001 % |
K | 0,05 % |
Na | 0,01 % |
Ni | 0,0005 % |
Pb | 0,0005 % |
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