Yttrium Oxide

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Appearance:WhiteCasno:1314-36-9
Formula:O3Y2Weight:225.8099
Einecs:215-233-5Density:5.01 g/mL at 25 ºC(lit.)
Melting:2410ºCBoiling:81-83 °C
Soluble:Insoluble in water, moderately soluble in strong mineral acidsOther Casno:11130-29-3
Detailed Specification
Spec 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
Particle Size:
TEM:30-60nm
TEM:70-90nm
D50:0.1-0.5um
D50:0.5-1.0um
D50:1.0-2.0um
D50:2.0-10.0um
D50:10-100um
D50:100-200um
Packing: 50KGs Iron Drum
Stability: Slightly hygroscopic
Application: 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.
Synonyms: YttriumoxideREO; Yttrium oxide