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Yttrium Oxide

Yttrium Oxide

Category: Rare Earth Oxides
Formula Y2O3
CAS No. 1314-36-9
Molecular Weight 225.81
Appearance White powder
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic

 

Application: Yttrium Oxide, also called Yttria, high purity Yttrium Oxides are the most important materials for tri-bands Rare Earth phosphors which give the red colour in colour television & computer tubes. In optical industry, the Yttrium Oxide is used to produce yttrium-iron-garnets, which are very effective microwave filters. Low purity of Yttrium Oxide are widely applied in electronic ceramics.

 

Standard specification:

Grade 99.9999% 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION
Y2O3/TREO (% min.) 99.9999 99.999 99.99 99.9 99
TREO (% min.) 99.9 99 99 99 99
Loss On Ignition (% max.) 0.5 0.5 1 1 1
Rare Earth Impurities % max. % max. % max. % max. % max.
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Tb4O7 /TREO
Dy2O3 /TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO

Yb2O3/TREO
Lu2O3 /TREO
0.00001
0.00001
0.00005
0.00005
0.00001
0.00001
0.00005
0.00001
0.00005
0.00001
0.00001
0.00001
0.00001
0.00001
0.0001
0.0001
0.0001
0.0001
0.0001
0.0002
0.0001
0.0001
0.0001
0.0001
0.0001
0.0001
0.0001
0.0001
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
0.003
0.005
0.0003
0.0003
0.0003
0.0003
0.03
0.01
0.005
0.005
0.005
0.005
0.01
0.001
0.005
0.03
0.03
0.001
0.005
0.001
0.03
0.03
0.03
0.03
0.03
0.03
0.1
0.05
0.05
0.3
0.3
0.03
0.03
0.03
Non-Rare Earth Impurities % max. % max. % max. % max. % max.
Fe2O3
SiO2
CaO
Cl-
CuO
NiO
PbO
Na2O
K2O
MgO
Al2O3
TiO2
ThO2
0.0001
0.005
0.001
0.005
0.0001
0.0001
0.0001
0.0001
0.0001
0.0001
0.0005
0.0001
0.0001
0.0003
0.005
0.001
0.01
0.0002
0.0003
0.0002
0.0015
0.0015
0.0015
0.005
0.005
0.002
0.0003
0.01
0.001
0.01
0.0003
0.0003
0.0003
0.0015
0.0015
0.0015
0.005
0.005
0.002
0.001
0.03
0.01
0.05
0.01
0.05
0.05
0.1

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

More detailed information including price, MSDS sheet, weight, packing condition and time of delivery are by your request, please contact us and you will be replied within 24 hours.


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