Lanthanum Oxide
Formula : La2O3
Appearance : White powder
Application : Mainly used in manufacturing of optical glasses, fiber optics, high frequency materials and fluorescent materials.
Items
Specifications
Typical analyses
Analytical instruments
Formula
La2O3
La2O3
La2O3
REO %
= 99
= 99
= 99
Purity and relative RE impurities
La2O3/REO %
= 99.999
= 99.995
= 99.9
CeO2/REO %
=0.0002
= 0.0003
TotalRE impurities= 0.1
= 0.0002
?
Pr6O11/REO %
=0.0002
= 0.0005
= 0.0002
?
Nd2O3/REO %
=0.0002
= 0.0005
= 0.0002
?
Sm2O3/REO %
=0.0002
= 0.0001
= 0.0002
?
Y2O3/REO %
=0.0002
= 0.0001
= 0.0002
?
Non-RE impurities
Fe2O3 %
=0.0002
= 0.0003
=0.005
=0.0001
?
SiO2 %
= 0.005
= 0.005
= 0.005
= 0.05
CaO %
= 0.001
= 0.005
= 0.005
= 0.0015
?
CuO %
= 0.0002
= 0.0002
= 0.0005
= 0.0005
?
NiO %
= 0.0001
= 0.0001
= 0.001
= 0.0001
?
PbO %
= 0.001
= 0.05
= 0.005
= 0.001
?
Cl- %
=0.01
= 0.03
= 0.05
=0.01
Loss on ignition %(1000?, 1hour)
= 0.05
= 0.5
= 1
= 0.5
Notes
MPF-4/ Fluorescent spectrophotometer
ICP-AES/ Induction coupler plasma atomic emission spectrograph
PE-3100/ Atomic absorption spectrophotometer
[Rare Earth] Lanthanum Oxide(La2O3) 99.999...
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