牌 号(Code) | LCL-4N | LCL-4.5N |
稀土氧化物总量 TREO% | ≥43 | ≥43 |
镧纯度与相关稀土杂质(La purity and relative rare earth impurities) | ||
La2O3/TREO % | ≥99.99 | ≥99.995 |
CeO2/TREO % | ≤0.006 | ≤0.002 |
Pr6O11/TREO % | ≤0.001 | ≤0.001 |
Nd2O3/TREO % | ≤0.001 | ≤0.001 |
Sm2O3/TREO % | ≤0.001 | ≤0.0005 |
Y2O3/TREO % | ≤0.001 | ≤0.0005 |
非 稀 土 杂 质(Non rare earth impurity) | ||
Ca % | <0.01 | <0.005 |
| <0.005 | <0.002 |
Na % | <0.001 | <0.0005 |
K % | <0.001 | <0.0005 |
Pb % | <0.002 | <0.001 |
Al % | <0.005 | <0.003 |
SO42- % | <0.03 | <0.03 |
NTU | <10 | <10 |
外观颜色 | 无色透明晶体 | |
说明:无色粒状结晶,溶于水。 用途:作石油化工催化剂, 也可 用来生产金属镧。 |
Description: Colorless lump-like crystal, soluble in water. Used to make petro-chem catalyst. Also used to manufacture lanthanum metal. |