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Formula:LaCl₃·7H₂O CAS:10025-84-0
Mol.wt.371.5 Lanthanum Chloride Heptahydrate
Specification
| Code | LL-3.5N | LL-4N |
| TREO% | ≥43 | ≥43 |
La purity and relative rare earth impurities
| La₂O₃/TREO % | ≥99.95 | ≥99.99 |
| CeO₂/TREO % | <0.02 | <0.004 |
| Pr₆O/TREO % | <0.01 | <0.002 |
| Nd₂O₃/TREO % | <0.01 | <0.002 |
| Sm₂O₃/TREO % | <0.001 | <0.001 |
| Y₂O₃/TREO % | <0.001 | <0.001 |
Non rare earth impurities
| Ca % | <0.01 | <0.005 |
| Fe % | <0.005 | <0.002 |
| Na % | <0.001 | <0.0005 |
| K % | <0.001 | <0.0005 |
| Pb % | <0.003 | <0.001 |
| AI % | <0.005 | <0.003 |
| SO₄2- % | <0.03 | <0.03 |
| NTU | <10 | <10 |
Description
Colorless lump-like crystal,soluble in water.
Uses
Used as a petrochemical catalyst,for sewage treatment,and in the production of lanthanum metal.
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