| Formula: | La2o3-Al2O3 |
|---|---|
| Classification: | Other Oxides |
| Grade Standard: | Industrial Grade |
| Kind: | No Salt Oxide |
| Quality: | First Class |
| Brand: | Easchem |
| Samples: |
|---|
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Audited Supplier | Rare earth-modified alumina |
| Molecular formula: La2O3/CeO2-Al2O3 |
| Properties: According to the different or amount of doped elements, the appearance is white or light yellow powder. |
| Application: Catalytic purification of automobile and motorcycle exhaust. |
| Items | Specification | ||
| La modified | Ce modified | ||
| Main Elements % | Al2O3 | 95-97 | 95.5 |
| RE | 3-5 | 4.5±0.5 | |
| Physical Index | SA(Fresh) m2/g | 150-230 | 150-200 |
| SA(aged,1000ºC/10hr) m2/g | >120 | >100 | |
| D50 um | 3-15 | 3-15 | |
| ITEM | SPECIFICATIONS | TEST RESULTS | ||||||
| Zr(Hf)O2 (%) | 50±1 | 50.13 | ||||||
| CeO2 (%) | 40±1 | 40.02 | ||||||
| Y2O3 (%) | 5±1 | 4.94 | ||||||
| La2O3 (%) | 5±1 | 4.91 | ||||||
| Impurities (%,Max) | ||||||||
| SiO2 | ≤0.05 | ≤0.05 | ||||||
| Fe2O3 | ≤0.01 | ≤0.01 | ||||||
| SO42- | ≤0.03 | ≤0.03 | ||||||
| Na2O | ≤0.01 | ≤0.01 | ||||||
| Cl- | ≤0.01 | ≤0.01 | ||||||
| Other Indexes | ||||||||
| Fresh SSA (m2/g) | 70-90 | 82.21 | ||||||
| Aged SSA (1000ºC/4h, m2/g) | ≥45 | 53.17 | ||||||
| Aged SSA (1100ºC/4h, m2/g) | ≥20 | 29.85 | ||||||
| Ignition Loss (1000ºC/1h, %) | ≤4 | 2.42 | ||||||
| Particle size(D50,um ) | 4-6 | 4.79 | ||||||
| Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
| Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
| Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |
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