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Lanthanum Rod

Lanthanum Rod is distinguished by its reactivity, stability in the +3 oxidation state, and structural integrity under processing conditions, making it a versatile form of the rare-earth element for applied and experimental uses. Its solid rod morphology provides consistent geometry and mechanical strength, ideal for machining, high-temperature applications, and vacuum-based processes. Key industries making use of lanthanum rods include catalysis, metallurgy, and electrochemistry. Specific applications range from serving as precursors in the fabrication of electrocatalysts for hydrogen and oxygen evolution reactions, to inclusion in alloy development where lanthanum enhances mechanical performance, and to specialized adsorbent systems for phosphorus removal in water treatment. Research has also demonstrated rod-shaped lanthanum oxide and phosphate systems exhibiting high catalytic activity, selective adsorption, and strong performance in nanostructured coatings. In both industrial and scientific contexts, Lanthanum Rod serves as a reliable, functional form of lanthanum that underpins innovation in clean energy, advanced alloys, and environmental remediation.
Formula: La
Percentage Purity: 99%
Diameter: 6.35mm
Length: 100mm
Production Method: Cast
CAS Number: 7439-91-0
UOM Code: 633-770-17
Legacy Code: LA007910
Distributor Code:
GF63377017
SKU: 1000125773
Product Code: LA00-RD-000110

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%

Flammable

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%
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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 57
Crystal structure Hexagonal close packed/Face centred cubic
Electronic structure Xe 5d¹ 6s²
Valences shown 3
Atomic weight( amu ) 138.9055
Thermal neutron absorption cross-section( Barns ) 8.9
Photo-electric work function( eV ) 3.5
Natural isotope distribution( Mass No./% ) 139/ 99.91
Natural isotope distribution( Mass No./% ) 138/ 0.09
Atomic radius - Goldschmidt( nm ) 0.187
Ionisation potential( No./eV ) 3/ 19.18
Ionisation potential( No./eV ) 1/ 5.58
Ionisation potential( No./eV ) 2/ 11.06
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.28
Bulk modulus( GPa ) 24.8
Tensile modulus( GPa ) 37.9
Hardness - Vickers( kgf mm⁻² ) 40
Tensile strength( MPa ) 131
Yield strength( MPa ) 124
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 57@20@20°C
Superconductivity critical temperature( K ) 4.88
Temperature coefficient( K⁻¹ ) 0.00218@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3457
Density( gcm⁻³ ) 6.174@20°C
Thermal Properties
Element Value
Melting point( C ) 921
Latent heat of evaporation( J g⁻¹ ) 2897
Latent heat of fusion( J g⁻¹ ) 60.2
Specific heat( J K⁻¹ kg⁻¹ ) 197@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13.4@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.9@0-100°C
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