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氧 化 铈 Cerium Oxide | |
化学式 Formula:CeO2 | CAS :1036-38-3 |
分子量 Nol.wt.172.12 |
氧化铈 Cerium Oxide |
规 格 Specification | |
牌 号(Code) | CeO-3N | CeO-3.5N | CeO-4N |
稀土氧化物总量 TREO% | ≥99 | ≥99 | ≥99 |
铈纯度与相关稀土杂质（Cerium purity and relative rare earth impurities） | |||
CeO2/TREO % | 99.9 | 99.95 | 99.995 |
La2O3/TREO % | ≤0.08 | ≤0.04 | ≤0.004 |
Pr6O11/TREO % | ≤0.01 | ≤0.01 | ≤0.003 |
Nd2O3/TREO % | ≤0.005 | ≤0.005 | ≤0.001 |
Sm2O3/TREO % | ≤0.004 | ≤0.005 | ≤0.002 |
Y2O3/TREO % | ≤0.0001 | ≤0.001 | ≤0.001 |
| 非 稀 土 杂 质（Non rare earth impurity） | |||
Fe2O3 % | ≤0.005 | ≤0.005 | ≤0.002 |
SiO2 % | ≤0.02 | ≤0.015 | ≤0.01 |
CaO % | ≤0.01 | ≤0.005 | ≤0.005 |
Cl- % | ≤0.06 | ≤0.06 | ≤0.05 |
SO 2 4- % | ≤0.06 | ≤0.06 | ≤0.05 |
放射性（Radioactive） | 1Bq/g | ||
说明：淡黄色粉末，不溶于水和酸。 用途：用于玻璃脱色剂，玻璃抛光剂，也是制备金属铈的原料。高纯度氧化铈在稀土发光材料中有重要应用。 | Description: light yellow powder, insoluble in water and in acids Uses: Mainly used as the glass decolorizing agent and the glass polishing powder. Also used as the raw material in making metal cerium. High purity Cerium dioxide is very important in the applications of rare earth fluorescent materials. | ||
