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Rare Earth Oxides

Lanthanum Oxide

Formula:La₂O₃ CAS:1312-81-8

Mol.wt.325.8 Lanthanum Oxide

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Product Details

Specification

Code	LO-3.5N	LO-4N	LO-5N
TREO%	≥98	≥98	≥98

La purity and relative rare earth impurities

La₂O₃/TREO %	≥99.95	≥99.99	≥99.999
CeO₂/TREO %	<0.02	<0.004	<0.0004
Pr₆O₁/TREO %	<0.01	<0.002	<0.0002
Nd₂O₃/TREO %	<0.01	<0.002	<0.0002
Sm₂O₃/TREO %	<0.005	<0.001	<0.0001
Y₂O₃/TREO %	<0.005	<0.001	<0.0001

Non rare earth impurities

Ca %	<0.05	<0.03	<0.0002
Fe %	<0.005	<0.005	<0.0002
Na %	<0.01	<0.005	<0.0001
K %	<0.001	<0.001	<0.0001
Pb %	<0.003	<0.002	<0.0002
Al %	<0.01	<0.01	<0.0001
SiO₂ %	<0.02	<0.01	<0.003
CI^- %	<0.08	<0.06	<0.01
SO₄^2- %	<0.08	<0.06	<0.01

Description

White powder,insoluble in water,soluble in acids.As it is highly hygroscopic and absorb the moisture and carbon dioxide from air rapily,it should be kept in sealed containers.

Uses

Used as the raw material of the industries of glass,ceramics and electronics.

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