Europium Oxide
Formula: EU2O3; M. Wt: 351.02
RE purity: Min 99.99%
RE impurities: Max100ppm: La2O3max5ppm CEO2max5ppm Pr6O11max5ppm ND2O3max5ppm Sm2O3max5ppm Gd2O3max5ppm Tb4O7max5ppm Dy2O3max5ppm Ho2O3max5ppm Er2O3max5ppm TM2O3max5ppm Yb2O3max5ppm Lu2O3max5ppm Y2O3max5ppm
TREO: Min99%
Non-RE impurities: Fe2O3 max3ppm SiO2 max 20ppm CaO max 10ppm Cl- max80ppm CuO max 3ppm PbO max 5ppm NiO max 3ppm ZnO max5ppm
Loss on ignition: Max 1%
Pinkish white powder, insoluble in water, soluble in mineral acids. It readily picks up moisture and carbon dioxide from atmosphere.
USES: As an activator of various phosphor, especially of red emitting phosphor.
PACKING: According to the requirements of clients.
|
Items |
Specifications |
Items |
Specifications |
|
Code |
JREu2O3 |
TREO % |
≥ 99 |
|
RE purity and relative RE impurities |
Non-RE impurities |
|
Eu2O3/REO % |
99.99∼ 99.999 |
Fe2O3 % |
≤ 0.0003 |
|
La2O3/REO % |
≤ 0.0005 |
CaO % |
≤ 0.0007 |
|
CeO2/REO % |
≤ 0.0005 |
NiO % |
≤ 0.0003 |
|
Pr6O11/REO % |
≤ 0.0005 |
PbO % |
≤ 0.0003 |
|
Nd2O3/REO % |
≤ 0.0005 |
CuO % |
≤ 0.0003 |
|
Sm2O3/REO % |
≤ 0.0005 |
ZnO % |
≤ 0.0005 |
|
Gd2O3/REO % |
≤ 0.0005 |
Cl - % |
≤ 0.015 |
|
Tb4O7/REO % |
≤ 0.0005 |
Loss on ignition%
(1000, 1hour) |
≤ 1 |
|
Dy2O3/REO % |
≤ 0.0005 |
|
Ho2O3/REO % |
≤ 0.0001 |
Medium diameter
μ m
(powder mass ccumulating) |
4.5± 1.5 |
|
Er2O3/REO % |
≤ 0.0001 |
|
Tm2O3/REO % |
≤ 0.0001 |
|
Yb2O3/REO % |
≤ 0.0001 |
|
Lu2O3/REO % |
≤ 0.0001 |
|
Y2O3/REO % |
≤ 0.0005 |
