Rare Earth Product Information
& Standard Specifications
product details
Gadolinium Oxide
Gadolinium Oxide

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.
Formula Gd2O3
CAS No. 12064-62-9
Molecular Weight 362.50
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic
GermanGadoliniumOxid FrenchOxyde De Gadolinium SpanishOxido Del Gadolinio
Standard Specifications
Product Code 6490 6491 6493 6495
Grade 99.9999% 99.999%  99.99% 99.9%
CHEMICAL COMPOSITION     กก กก
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
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The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at the product's grade, or Send An Enquiry, you will receive our prompt reply within 24 hours.

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