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Yttrium

Yttrium Hydroxide | 16469-22-0

290x190

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

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Note: Custom specification manufactures can be provided according to user requirements.

Product performance
Yttrium hydroxide, Y(OH)3, is obtained as a gelatinous precipitate from solutions of yttrium salts by the addition of excess of a soluble hydroxide. It readily absorbs carbon dioxide. When the precipitant is a mixture of ammonia and hydrogen peroxide, hydrated yttrium peroxide, Y4O9.xH2O or perhaps Y2O5.xH2O, is produced.

Applications
It can be used to make ceramic, optical glass, fluorescent powder, laser material and refractory material.

Storage condition
Store in a sealed container and place in a cool, dry place.
Product Code 3951 3953 3955 3957
Grade 100.00% 99.99% 99.90% 99%
CHEMICAL COMPOSITION        
Y2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 50 50 50 50
Rare Earth Impurities ppm max. ppm max. % max. % max.
La2O3/TREO 1 30 0.01 0.03
CeO2/TREO 1 30 0.03 0.03
Pr6O11/TREO 1 10 0.01 0.03
Nd2O3/TREO 1 20 0.02 0.03
Sm2O3/TREO 1 5 0.005 0.03
Eu2O3/TREO 2 5 0.005 0.03
Gd2O3/TREO 1 5 0.01 0.1
Tb4O7/TREO 1 10 0.001 0.05
Dy2O3/TREO 1 10 0.005 0.05
Ho2O3/TREO 2 20 0.05 0.3
Er2O3/TREO 2 15 0.03 0.3
Tm2O3/TREO 1 5 0.001 0.03
Yb2O3/TREO 1 20 0.005 0.03
Lu2O3/TREO 1 5 0.001 0.03
Non-Rare Earth Impurities ppm max. ppm max. % max. % max.
Fe2O3 5 10 0.002 0.01
SiO2 50 100 0.03 0.05
CaO 30 100 0.02 0.05
Cl- 100 300 0.05 0.1
CuO 2 5    
NiO 3 5    
PbO 2 10    
Na2O 15 10    
K2O 15 15    
MgO 15 15    
Al2O3 50 50    
TiO2 50 50    
ThO2 20 20    
packing
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 Request for Quotation, you will receive our prompt reply within 24 hours.

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