High purity 3N (99.9%) Lanthanum lump / La lump, The price is for reference only, please contact customer service for quotation!!!
element ： La
purity ： 3N
shape ： Lump
weight ： 250g
Package ： Vacuum packaging, carton, wooden box
Formal invoices are provided for all orders, and formal quotations and contracts are provided according to customer needs
Market reference market reference price: $80.00/piece , The price is for reference only, please contact customer service for quotation.
Product Name:Lanthanum lump / La lump
Specifications: Various specifications and sizes can be customized according to customer requirements.
Physical and chemical properties:
Lanthanum: is a silver-white soft metal, ductile. Chemically active. Soluble in dilute acid. It is easily oxidized in the air; it can burn when heated to generate oxides and nitrides. Heating in hydrogen generates hydride, which reacts strongly in hot water and emits hydrogen. Lanthanum is present in monazite sand and bastnasite. Soluble in dilute acid.
Lanthanum is a malleable, malleable silver-white metal that is soft and can be cut with a knife; the boiling point is 3457°C. Melting point: 921 ℃, atomic number: 57, relative atomic mass: 138.9055, density: 6.174g/cm3. Alloys can be made and catalysts can also be used.
Lanthanum can react directly with carbon, nitrogen, boron, selenium, silicon, phosphorus, sulfur, halogen, etc. The compound of lanthanum is diamagnetic.
High-purity lanthanum oxide can be used to manufacture precision lenses; lanthanum-nickel alloys can be used as hydrogen storage materials, and lanthanum hexaboride is widely used as a high-power electron emission cathode.
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