Lanthanum Chloride LaCl3.xH2O
Product Properties
Name: Lanthanum Chloride
Formula: LaCl3.xH2O
CAS No.: 20211-76-1
Molecular Weight: 245.27 (anhy)
Density: 3.84 g/cm3
Melting point: 858 °C
Appearance: White crystalline
Specification of Lanthanum Chloride
La2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 45 | 45 | 43 | 43 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO | 5 5 2 2 2 2 5 | 50 50 30 10 10 10 50 | 0.06 0.01 0.01 0.013 0.001 0.001 0.012 | 0.5 0.11 0.1 0.1 0.1 0.1 0.1 |
Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO CoO NiO CuO MnO2 Cr2O3 CdO PbO | 10 50 100 3 3 3 3 3 5 10 | 50 100 200 5 5 3 5 3 5 50 | 0.01 0.05 0.23 | 0.05 0.2 0.5 |
Application of Lanthanum Chloride
Water Treatment: Lanthanum chloride is effectively used in phosphate removal from aquatic environments. It reacts with phosphate ions to form lanthanum phosphate, which is insoluble and can be readily removed by sedimentation or filtration. This property is particularly valuable in controlling algae blooms and eutrophication in lakes and aquariums.
Catalysis: It serves as a catalyst or a catalyst precursor in several chemical reactions, including the cracking of hydrocarbons and the production of fine chemicals. Its role in catalysis often involves enhancing the efficiency and selectivity of chemical processes.
Medical and Pharmaceutical Research: Lanthanum chloride is used in biomedical research, particularly in studies related to bone health, neurology, and cellular signaling. Its ability to mimic calcium ions allows researchers to study the impact of calcium in biological processes, including signal transduction in neurons and muscle contraction.
Phosphors and Luminescence: In the production of phosphors, lanthanum chloride can be used as a dopant to create materials that emit light when excited by electrons or ultraviolet light. These materials have applications in lighting (such as fluorescent lamps), displays, and x-ray imaging.
Laboratory Reagent: In analytical chemistry, lanthanum chloride is used as a reagent to facilitate various chemical analyses. It acts as an excellent releasing agent in atomic absorption spectroscopy (AAS) for the determination of trace elements, preventing the formation of compounds that could interfere with the analysis.