Yttrium Hydroxide 99.99%
Yttrium Hydroxide 99.99%, code 3953
Formula:  Y(OH)3.xH2O
CAS No.: 16469-22-0
Molecular Weight: 139.91(anhy)
Density: N/A
Melting point: N/A
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: YttriumHydroxid, Hydroxye De Yttrium, Hidroxido Del Ytrio
Yttrium Hydroxide 99.99% is the most important materials for tri-bands Rare Earth phosphors and Yttrium-Iron-Garnets, which are very effective microwave filters. It is also used to laser crystal.
Products available
Product Code: 3953 Standard Specification Typical Analysis Inspection Methods
Grade 99.99% 99.99%  
CHEMICAL COMPOSITION
Y2O3/TREO (% min.) 99.99 99.99
TREO (% min.) 50 50 Volumetric Method
Rare Earth Impurities ppm max. ppm
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		 30
30
10
20
5
5
5
10
10
20
15
5
20
5		 20
15
5
5
5
5
5
10
10
5
5
5
15
5		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
Cl-
CuO
NiO
PbO
Na2O
K2O
MgO
Al2O3
TiO2
ThO2		 10
100
100
300
5
5
10
10
15
15
50
50
20		 7
70
50
20
5
5
10
10
15
15
50
50
20		 Spectrographic

Atomic Absorption Spectrographic
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