Lanthanum (metal)
CAS No.
7439-91-0
CAS Nr.:
7439-91-0
EINECS Name
lanthanum
EINECS Name:
lanthanum
EINECS No.
231-099-0
EINECS Nr.:
231-099-0
Synonym
Lanthan (metallisch)
Synonym:
Lanthan (metallisch)
Lanthanum is a silvery-white, soft metal that belongs to the group of Rare Earth elements. It has a high density of 6.15 g/cm³ and a melting point of 920 °C. Lanthanum reacts easily with water and oxygen, leading to its oxidation. It has good electrical conductivity and is paramagnetic, meaning it becomes magnetic in the presence of a magnetic field.
Application Examples of Lanthanum (Metal)
Lanthanum is often used as an alloying element to improve the properties of metals. In the steel industry, it is used for deoxidation and desulfurization of steel. Additionally, lanthanum is used in aluminum and magnesium alloys to increase their strength and ductility. These alloys are widely used in the aerospace and automotive industries.
A significant application of lanthanum is in the production of catalysts. Lanthanum oxide (La₂O₃) is used as a catalyst in the petrochemical industry, particularly in the production of Fluid Catalytic Crackers (FCC). These catalysts play a crucial role in converting heavy oils into valuable products such as gasoline and olefins. The use of lanthanum in catalysts helps increase efficiency and reduce costs in the petrochemical industry.
Lanthanum is also used in the production of optical glasses and lenses. Lanthanum glass has high refractive power and low dispersion, making it ideal for high-quality camera lenses and optical instruments. These lenses offer excellent clarity and image quality, which is why they are widely used in photography, microscopy, and astronomy.
In energy technology, lanthanum is used in fuel cells. Specifically, Lanthanum Strontium Manganite (LSM) is used as a cathode material in Solid Oxide Fuel Cells (SOFC). These fuel cells are efficient and environmentally friendly, playing an important role in sustainable energy generation. Lanthanum contributes to the improved performance and longevity of these fuel cells.
Lanthanum (Metal) is an extremely versatile chemical raw material with a wide range of applications. From alloy production to catalysts, optical glasses, and fuel cells – the unique physical properties of this metal make it an indispensable component of many advanced technologies. The diverse applications and the ability to enhance the performance and efficiency of materials underscore the importance of lanthanum in modern industry.
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