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Lanthanum Metal

Lanthanum Metal

Category: Rare Earth Metals

Formula La
CAS No. 7439-91-0
Molecular Weight 138.91
Appearance Silvery ingot
Ductibility Good
Stability Easy oxidized in the air

Application: Is mainly applied in producing Hydrogen Storage Alloys for NiMH batteries, and is also used to produce other pure Rare Earth metals and specialty alloys such as La-Ni alloy etc.

Standard Specifications

Grade 99.95% 99.9% 99% 99%
CHEMICAL COMPOSITION
La/TREM (% min.) 99.95 99.9 99 99
TREM (% min.) 99.5 99.5 99.5 99

Rare Earth Impurities (in TREM, %max)

% max. % max. % max. % max.
Ce
Pr
Nd
Sm
Eu
Gd
Y
0.01
0.0
1
0.01
0.00
1
0.00
1
0.00
1
0.001
0.05
0.05
0.
01
0.0
05
0.0
05
0.0
05
0.0
1
0.15
0.0
5
0.
15
0.0
3
0.0
3
0.0
3
0.0
3
0.15
0.
15
0.15
0.03
0.03
0.03
0.03
Non-Rare Earth Impurities % max. % max. % max. % max.
Fe
Si
Ca
Al
Mg
Zn
C
Cl

0.1
0.01
0.02
0.01
0.01

0.
05
0.05
0.0
15
0.1
0.03
0.02
0.1
0.1

0.15
0.05
0.05
0.15
0.01
0.03
0.015
0.01
0.05
0.05
0.015
0.25
0.05
0.02
0.25
0.15
0.15
0.05
0.05

Individual Rare earth including Lanthanum, Cerium, Neodymium, Praseodymium, Samarium, Europium, Gadolinium, Dysprosium, Terbium, Holmium, Erbium, Ytterbium, Lutetium, Thulium, Scandium and Yttrium.

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