Gadolinium Oxide

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Appearance:White PowderCasno:12064-62-9
Formula:Gd2O3Weight:362.4982
Einecs:235-060-9Density:7.407
Melting:1900ºCSoluble:Insoluble in water, moderately soluble in strong mineral acids
Other Casno:11129-31-0
Detailed Specification
Spec 99.9999% 99.999% 99.99% 99.9%
CHEMICAL COMPOSITION
Gd2O3/TREO (%Min.) 99.9999 99.999 99.99 99.9
TREO (%Min.) 99.9 99 99 99
Loss On Ignition (%Max.) 0.5 0.5 1 1
Rare Earth Impurities %Max. %Max. %Max. %Max.
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Tb4O7 /TREO
Dy2O3 /TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3 /TREO
Y2O3/TREO
0.00001
0.00001
0.00001
0.00001
0.00005
0.00005
0.00005
0.00001
0.00001
0.00005
0.00001
0.00001
0.00001
0.00001
0.0001
0.0001
0.0001
0.0001
0.0005
0.0005
0.0005
0.0001
0.0001
0.0005
0.0001
0.0001
0.0001
0.0001
0.0005
0.001
0.001
0.001
0.003
0.003
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
0.001
0.001
0.001
0.001
0.01
0.01
0.001
0.001
0.001
0.005
0.001
0.001
0.0005
0.03
Non-Rare Earth Impurities %Max. %Max. %Max. %Max.
Fe2O3
SiO2
CaO
CuO
PbO
NiO
Cl-


0.0002
0.0015
0.0015
0.0001
0.0001
0.0001
0.005

0.0003
0.005
0.005
0.0003
0.0003
0.0003
0.015
0.0005
0.005
0.005
0.0005
0.0005
0.001
0.02

0.002
0.015
0.015
Packing: 50KGs Iron Drum
Stability: Slightly hygroscopic
Application: also called Gadolinia, is used for making optical glass and gadolinium yttrium garnets which have microwave applications. High purity of Gadolinium Oxide is used for making phosphors for colour TV tube.
Synonyms: Gadolinium(III)oxide; Digadolinium trioxide; Gadolinium oxide; gadolinium(+3) cation; oxygen(-2) anion; gadolinium(+3) cation; oxygen(-2) dihydride anion