碳 酸 镧 Lanthanum Carbonate | |
化学式 Formula:La2(CO3)3 | CAS:587-26-8 |
分子量 Nol.wt.457.8 | |
规 格 Specification | |
牌 号(Code) | LCL-3N | LCL-4N | LCL-4.5N |
稀土氧化物总量 TREO% | ≥43 | ≥43 | ≥43 |
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 % | ≤0.08 | ≤0.005 | ≤0.002 |
Pr6O11/TREO % | ≤0.01 | ≤0.001 | ≤0.001 |
Nd2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.001 |
Sm2O3/TREO % | ≤0.001 | ≤0.001 | ≤0.001 |
Y2O3/TREO % | ≤0.001 | ≤0.001 | ≤0.001 |
| 非 稀 土 杂 质（Non rare earth impurity） | |||
Fe2O3 % | ≤0.005 | ≤0.003 | ≤0.002 |
CaO % | ≤0.08 | ≤0.03 | ≤0.03 |
SiO2 % | ≤0.02 | ≤0.015 | ≤0.01 |
MnO2 % | ≤0.005 | ≤0.001 | ≤0.001 |
PbO % | ≤0.01 | ≤0.001 | ≤0.001 |
SO 2 4- % | ≤0.01 | ≤0.001 | ≤0.001 |
Cl- % | ≤0.05 | ≤0.05 | ≤0.005 |
说明：白色粉末，不溶于水，溶于酸。 用途：主要用作镧的中间化合物，可作为氯化镧，氧化镧的原料。 | Description: White Powder, insoluble in water, soluble in acids. Uses: Used as the medium compound of lanthanum and the raw material of LaCl3, La2O3. | ||
