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

Gadolinium Hydroxide all called Gadolinium Hydrate,is used for making optical glass and dopant for gadolinium yttrium garnets which have microwave applications.
Formula Gd(OH)3.xH2O
CAS No. 16469-18-4
Molecular Weight 208.27
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic
GermanGadoliniumHydroxid FrenchHydroxyde De Gadolinium SpanishHidroxido Del Gadolinio
Standard Specifications
Product Code 6451 6453 6455 6457
Grade 99.999%  99.99% 99.9% 99%
CHEMICAL COMPOSITION   กก   กก
Gd2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 60 60 60 60
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		 0.0001
0.0001
0.0001
0.0001
0.0005
0.0005
0.0005
0.0001
0.0001
0.0001
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		 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-
0.0003
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		 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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