牌 号(Code) | CCL-3.5N | CCL-4N |
稀土氧化物总量 TREO% | ≥46 | ≥46 |
铈纯度与相关稀土杂质(Cerium purity and relative rare earth impurities) | ||
CeO2/TREO % | ≥99.95 | ≥99.99 |
La2O3/TREO % | ≤0.03 | ≤0.003 |
Pr6O11/TREO % | ≤0.01 | ≤0.0025 |
Nd2O3/TREO % | ≤0.01 | ≤0.0025 |
Sm2O3/TREO % | ≤0.005 | ≤0.001 |
Y2O3/TREO % | ≤0.005 | ≤0.001 |
非 稀 土 杂 质(Non rare earth impurity) | ||
Ca % | <0.005 | <0.002 |
Fe % | <0.005 | <0.002 |
Na % | <0.005 | <0.002 |
K % | <0.002 | <0.001 |
Pb % | <0.002 | <0.001 |
Al % | <0.005 | <0.003 |
SO 4- % | <0.03 | <0.03 |
NTU | <10 | <10 |
外观颜色 | 无色透明晶体 | |
说明:无色粒状结晶体,溶于水。 用途:用于制造石油化工催化剂, 也可用来制造金属铈和铈的其它 化合物。 | Description: Colorless lump-like crystal, soluble in water. Uses: Used to manufacture petrol-chem catalyst, also used to make into cerium metal and other compounds of cerium. |