| Name | Mixed Rare Earth Carbonate | Linear Formula | RE3(CO3)3·XH2O |
Molecular Weight
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Appearance
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Water Solubility
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Mixed rare earth carbonate can be used as raw materials for extracting single rare earth oxides and rare earth salts, ceramic stabilizers such as PS and SiN4, sintering aids, etc.
| Main Compositions | |||||
| Item | TREO | Eu2O3/TREO | |||
| Content % | ≥44 | ≥0.175 | |||
| Rare Earth Impurities(≤) | Acid insoluble substance | ||||
|
Item / Content % Specifications |
REO ≥ |
CeO2/REO ≥ |
Nd2O3/REO ≥ |
Eu2O3/REO ≥ |
|
| RE2(CO3)3·XH2O-H1 | 44 | 45 | — | 0.175 | 0.2 |
| RE2(CO3)3·XH2O-H2 | 42 | 45 | — | 0.175 | 0.2 |
| RE2(CO3)3·XH2O-F1 | 44 | 48 | — | — | 0.2 |
| RE2(CO3)3·XH2O-F2 | 44 | 58 | 3 | — | 0 |
| Non-Rare Earth Impurities（≤） | |||||
|
Item / Content % Specifications |
Fe2O3 | SO42- | Co- | CaO+MgO | Na2O |
| RE2(CO3)3·XH2O-H1 | — | 2.5 | 0.05 | 1.5 | 0.1 |
| RE2(CO3)3·XH2O-H2 | — | 2.5 | 0.05 | 1.5 | 0.1 |
| RE2(CO3)3·XH2O-F1 | 0.05 | 0.1 | 0.4 | 0.5 | 0.05 |
| RE2(CO3)3·XH2O-F2 | 0.05 | 0.1 | 0.4 | 0.5 | 0.05 |
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