The composition of lanthanum carbonate
Lanthanum carbonate is an important chemical substance composed of lanthanum, carbon, and oxygen elements. Its chemical formula is La2 (CO3) 3, where La represents the lanthanum element and CO3 represents the carbonate ion. Lanthanum carbonate is a white crystalline solid with good thermal and chemical stability.
There are various methods for preparing lanthanum carbonate. The common method is to react lanthanum metal with dilute nitric acid to obtain lanthanum nitrate, which is then reacted with sodium carbonate to form lanthanum carbonate precipitate. In addition, lanthanum carbonate can also be obtained by reacting sodium carbonate with lanthanum chloride.
Lanthanum carbonate has various important applications. Firstly, lanthanum carbonate can be used as an important raw material for lanthanide metals. Lanthanum is a rare earth metal with important magnetic, optical, and electrochemical properties, widely used in fields such as electronics, optoelectronics, catalysis, and metallurgy. Lanthanum carbonate, as an important precursor of lanthanide metals, can provide a fundamental material for applications in these fields.
Lanthanum carbonate can also be used to prepare other compounds. For example, reacting lanthanum carbonate with sulfuric acid to produce lanthanum sulfate can be used to prepare catalysts, battery materials, etc. The reaction of lanthanum carbonate with ammonium nitrate produces ammonium nitrate of lanthanum, which can be used to prepare lanthanide metal oxides, lanthanum oxide, etc.
Lanthanum carbonate also has certain medicinal application value. Research has shown that lanthanum carbonate can be used to treat hyperphosphatemia. Hyperphosphatemia is a common kidney disease, often accompanied by an increase in phosphorus levels in the blood. Lanthanum carbonate can combine with phosphorus in food to form insoluble substances, thereby reducing the absorption of phosphorus and the concentration of phosphorus in the blood, playing a therapeutic role.
Lanthanum carbonate can also be used to prepare ceramic materials. Due to its excellent thermal and chemical stability, lanthanum carbonate can improve the strength, hardness, and wear resistance of ceramic materials. Therefore, in the ceramic industry, lanthanum carbonate is often used to prepare materials such as high-temperature ceramics, electronic ceramics, optical ceramics, etc.
Lanthanum carbonate can also be used for environmental protection. Due to its adsorption capacity and catalytic activity, lanthanum carbonate can be used in environmental treatment technologies such as wastewater treatment and exhaust gas purification. For example, by reacting lanthanum carbonate with heavy metal ions in wastewater to form insoluble precipitates, the goal of removing heavy metals is achieved.
Lanthanum carbonate is an important chemical substance with extensive application value. It is not only an important raw material for lanthanide metals, but can also be used in the preparation of other compounds, treatment of hyperphosphatemia, preparation of ceramic materials, and environmental protection. With the continuous development of science and technology, the application prospects of lanthanum carbonate will be even broader.
| Lanthanum Carbonate | |
| Formula:La2(CO3)3 | CAS:587-26-8 |
| Nol.wt.457.8 | |
| Specification | |
| (Code) | 3N | 4N | 4.5N |
| TREO% | ≥43 | ≥43 | ≥43 |
| （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 |
| Description: White Powder, insoluble in water, soluble in acids.Uses: Used as the medium compound of lanthanum and the raw material of LaCl3, La2O3. | |||
Post time: Mar-13-2024