Identifikation | ||
Name | Aluminiumammoniumsulfat-Dodecahydrat | |
Summenformel | AlNH 4 (SO 4 ) 2 12(H 2 O) | |
Molekulargewicht | 453.33 | |
CAS-Registrierungsnummer | 7784-26-1 |
Eigenschaften | |
Dichte | 1.64 |
Schmelzpunkt | 93.5 ºC |
Siedepunkt | 200 ºC |
Tests | Spezifikation | Ergebnisse |
Aussehen | Weißes Pulver | Weißes Pulver |
Wasserunlösliche Stoffe | ≤0.2% | 0.05% |
F | ≤30 ppm | 18ppm |
Als | ≤2 ppm | 1ppm |
Schwermetall (Pb) | ≤20 ppm | 9ppm |
Pb | ≤10 ppm | 6ppm |
Se | ≤30 ppm | 16ppm |
Feuchtigkeit | ≤4.0% | 3.72% |
Gehalt an NH4Al(SO4)2·12H2O | 99.5%~100.5% | 99.8% |
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