|
LANTHANUM
(La)
ESPI
Metals manufactures and sells high purity Lanthanum
ingot, Lanthanum
pieces, Lanthanum
rod, Lanthanum
sheet, Lanthanum
foil, Lanthanum
powder, Lanthanum shot, Lanthanum Sputtering
Targets, and Lanthanum pellets. To place an order please send an Email,
call or fax using the ordering
information provided.
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 clotLanthanumg and cause liver injury.
GENERAL
PROPERTIES
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Symbol:
|
La
|
|
Atomic
Number:
|
57
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Atomic
Weight:
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138.9055
|
|
Density:
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6.145
gm/cc
|
|
Melting
Point:
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921
oC
|
|
Boiling
Point:
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3457
oC
|
|
Thermal
Conductivity:
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0.134
W/cm/oK
@ 298.2 oK
|
|
Electrical
Resistivity:
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5.70
microhm-cm @ 25 oC
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|
Electronegativity:
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1.1
Paulings
|
|
Specific
Heat:
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0.047
Cal/g/oK @ 25 oC
|
|
Heat
of Vaporization:
|
96
K-Cal/gm atom at 3457 oC
|
|
Heat
of Fusion:
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2.40
Cal/gm mole
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Thermal
Neutron Cross Section:
|
9
Barns per Atom
|
|
Magnetic
Susceptibility
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115
x 10-6
Emu
@ Room Temp
|
|
Magnetic
Moment:
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0
Bohr Magnetons
|
|
Temperature
Coefficient of Resistance:
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0.00218
@ 0 oC
to Room Temp
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TYPICAL
ANALYSES
Impurities
in ppm
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Material
/ Purity:
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3N
|
|
Nd
|
400
|
|
Al
|
<100
|
|
Ca
|
<100
|
|
Fe
|
100
|
|
Mg
|
<100
|
|
Pr
|
<100
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|
Si
|
200
|
|
Y
|
<100
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Ce
|
<100
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|
Ca
|
100
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Ni
|
100
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