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Lanthanum Powder (La)

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lanthanum powder

 

MATERIAL OVERVIEW

Characteristics: White, malleable, ductile metal. Oxidizes rapidly in air. Corrodes in moist air, soluble in acids, decomposes in water to lanthanum hydroxide and hydrogen. Hazards: Ignites spontaneously in powdered form. May delay blood clotting and cause liver injury.

 

GENERAL PROPERTIES

Symbol:

La

Atomic Number:

57

Atomic Weight:

138.9055

Density:

6.145 gm/cc

Melting Point:

921 oC

Boiling Point:

3457 oC

Thermal Conductivity:

0.134 W/cm/K @ 298.2 K

Electrical Resistivity:

5.70 microhm-cm @ 25 oC

Electronegativity:

1.1 Paulings

Specific Heat:

0.047 Cal/g/K @ 25 oC

Heat of Vaporization:

96 K-Cal/gm atom at 3457 oC

Heat of Fusion:

2.40 Cal/gm mole

Thermal Neutron Cross Section:

9 Barns per Atom

Magnetic Susceptibility

115 x 10-6 Emu @ Room Temp

Magnetic Moment:

0 Bohr Magnetons

Temperature Coefficient of Resistance:

0.00218 @ 0 oC to Room Temp

 

TYPICAL ANALYSES

Impurities in ppm

Material / Purity:

3N

Nd

400

Al

<100

Ca

<100

Fe

100

Mg

<100

Pr

<100

Si

200

Y

<100

Ce

<100

Ca

100

Ni

100

 

LANTHANUM POWDER

Material

Purity

Lanthanum Powder -40 Mesh, Ampoules Under Dry Argon

3N

Lanthanum Powder -40 Mesh, Cans Under Dry Argon 3N

Powder is packaged to order and sold by the gram or kilogram.

Material Safety Data Sheet - MSDS
Lanthanum Powder SDS
Technical Data Sheets
Understanding Mesh Sizes

 

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