Gadolinium Oxide, Gd2O3, оксид гадолиния, Вильнюс

Formula Gd₂O₃
CAS: 12064-62-9 MDL: MFCD00011026 EINECS: 235-060-9
Molecular Weight 362.50
Appearance White powder
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic

Application: Gadolinium Oxide, 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.

Standard Specifications

Grade
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

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