| Name | Ammonium Cerium(IV) Sulfate Dihydrate | Linear Formula | Ce(NH4)4(SO4)4·2H2O |
Molecular Weight
|
632.55 | |||
|---|---|---|---|---|---|---|---|---|
|
CAS Number
|
10378-47-9 |
Appearance
|
Yellow to orange crystal | Storage | Kept in an airtight condition | |||
| TREO | Ce(NH4)4(SO4)4·2H2O | ||||
| ≥27±2 | ≥92～98 | ||||
| Item |
Ce(SO4)4·(NH4)4·2H2O ≥ % |
REO % |
CeO2/REO ≥ % |
Ce+4/Total Ce ≥ |
Other Cerium Salts (CeO2) ≤ |
| Analytical Purity | 98 | 27+2 | 99.5 | 96 | 0.2 |
| Chemical Purity | 95 | 27+2 | 99.5 | 96 | 0.8 |
| Industrial Purity | 92 | 27+2 | 99.5 | 96 | 2 |
| Impurity Content, ≤ % | |||||
| Iron | Heavy Metal |
Aluminum Al2O3 |
Chloride | Sulfuric Acid Insoluble Matter | Ammonia Insoluble Precipitate |
| Fe2O3 | (PbO) | (Cl-) | |||
| 0.005 | 0.005 | 0.08 | 0.01 | 0.05 | 0.2 |
| 0.01 | 0.01 | 0.08 | 0.02 | 0.1 | 0.2 |
| 0.02 | 0.02 | 0.1 | 0.05 | 0.3 | 0.5 |
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