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Lanthanum

Lanthanum Metal | 7439-91-0

290x190
Formula: La

CAS No: 7439-91-0

Molecular Weight: 138.91

Density: 6.16 g/cm3

Melting point: 920 °C

Appearance: Silvery lump pieces, ingots, rod, foil, wire, etc.

Stability: Easy oxidized in the air.

Ductibility: Good

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Note: Custom specification manufactures can be provided according to user requirements.

Product performance
Chemical properties and lively, exposed to the air soon lose metallic luster generated a blue layer of oxide film, but it does not protect the metal, which in turn further oxidation generating white oxide powder. Can and cold water slow action, easy to dissolve in acid, can a variety of nonmetallic reactions.

Applications
Lanthanum metal shell used in the production of nickel metal hydride batteries and special alloy manufacturing system, high precision optical glass refraction optical fiber board, suitable for camera, camera, microscope lens and prism advanced optical instruments, as catalysts for various reactions.

Storage condition
Preserved in mineral oil or rare gases.
Product Code 5764 5765 5767
Grade 99.95% 99.90% 99%
CHEMICAL COMPOSITION      
La/TREM (% min.) 99.95 99.9 99
TREM (% min.) 99.5 99.5 99
Rare Earth Impurities % max. % max. % max.
Ce/TREM 0.05 0.05 0.1
Pr/TREM 0.01 0.05 0.1
Nd/TREM 0.01 0.01 0.1
Sm/TREM 0.001 0.005 0.1
Eu/TREM 0.001 0.005 0.1
Gd/TREM 0.001 0.005 0.1
Y/TREM 0.001 0.01 0.1
Non-Rare Earth Impurities % max. % max. % max.
Fe 0.1 0.2 0.5
Si 0.025 0.03 0.05
Ca 0.01 0.02 0.02
Al 0.05 0.08 0.1
Mg 0.01 0.03 0.05
C 0.03 0.05 0.05
Cl 0.01 0.02 0.03
Custom package can be provided according to user requirements.
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.

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