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Yttrium Oxide
[Applied Field]
- Making of various fluorescence materials, qualified refractory materials,
artificial jewels, laser crystals, super-conductors and garnet crystals.
[Product Properties]
- NP-Y-1 is prepared by the liquid composition method with an oxalate as the precursor.
- NP-Y-3, which is prepared with carbonate precursor, has a low density and a large
specific surface area.
- NP-Y-4, which is prepared with cerium hydroxide precursor, has very small grain size.
[Technology Parameters]
|
|
Model |
NP − Y− 1 |
NP − Y− 3 |
Np − Y− 4 |
|
Rare earth purity (wt%) |
TREO |
>99 |
>99 |
>99 |
|
Y2O3 / TREO |
99.99 |
99.99 |
99.99 |
|
Other Rare Earth |
<0.01 |
<0.01 |
<0.01 |
|
Non-rare earth impurity |
Fe2O3 |
< 3 ppm |
< 3 ppm |
< 3 ppm |
|
SiO2 |
< 30 ppm |
< 30 ppm |
< 30 ppm |
|
CaO |
< 30 ppm |
< 30 ppm |
< 30 ppm |
|
MgO |
< 5 ppm |
< 5 ppm |
< 5 ppm |
|
CuO |
<1 ppm |
<1 ppm |
<1 ppm |
|
Cr2O3 |
< 1 ppm |
< 1 ppm |
< 1 ppm |
|
H2O (%) |
< 0.1 |
< 1.0 |
< 1.0 |
|
Cauterant Decrease (%)
(1000 ºC,2Hr) |
<0.5 |
<0.2 |
< 1.5 |
|
Physical Propeties |
As-produced granularity (μm) |
0.35 |
0.1 |
0.04 |
|
Aggregate D50 (μm) |
1.2 |
0.5 |
0.1 |
|
Specific surface area (m2/g) |
5-9 |
15 − 25 |
20 − 40 |
|
Bulk density (g/cm3) |
1.8 |
1.6 |
1.4 |
-------Asking for detailed materials and Samples-------
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