氧 化 镧 Lanthanum Oxide | |
化学式 Formula:La2O3 | CAS: 1312-81-8 |
分子量 Nol.wt.325.8 | 氧化镧 Lanthanum Oxide |
规 格 Specification | |
牌 号(Code) | LO-3N | LO-4N | LO-4.5N |
稀土氧化物总量 TREO% | ≥97 | ≥98 | ≥98 |
| 镧纯度与相关稀土杂质（La purity and relative rare earth impurities） | |||
La2O3/TREO % | ≥99.9 | ≥99.99 | ≥99.995 |
CeO2/TREO % | ≤0.05 | ≤0.007 | ≤0.004 |
Pr6O11/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
Nd2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
Sm2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
Y2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
| 非 稀 土 杂 质（Non rare earth impurity） | |||
Fe2O3 % | ≤0.01 | ≤0.005 | ≤0.005 |
SiO2 % | ≤0.02 | ≤0.015 | ≤0.01 |
CaO % | ≤0.08 | ≤0.05 | ≤0.03 |
Na % | ≤0.02 | ≤0.01 | ≤0.01 |
MnO2 % | ≤0.01 | ≤0.005 | ≤0.005 |
AL2O3 % | ≤0.01 | ≤0.007 | ≤0.005 |
PbO % | ≤0.01 | ≤0.005 | ≤0.003 |
Cl- % | ≤0.08 | ≤0.06 | ≤0.05 |
放射性（Radioactive） | 1Bq/g | ||
灼减: L.O.I(1000℃ 2hr) | ≤ 3.0 | ≤ 2.0 | ≤2.0 |
说明：白色粉末，不溶于水，可溶于酸。极易吸潮，能迅速吸收空气中的水份和二氧化碳，应置于密封容器内。 | Description: White powder, insoluble in water, soluble in acids, As it is highly hygroscopic and absorb the moisture and carbon dioxide from air rapidly, it should be kept in sealed containers. Uses: Used as the raw material of the industries of glass, ceramics and electronics. | ||