CAS No.: | 12064-62-9 |
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Formula: | Gd2o3 |
EINECS: | 235-060-9 |
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Gadolinium Oxide also called Gadolinia, it is used for making optical glass and gadolinium yttrium garnets which have microwave applications. High purity of Gadolinium Oxide is used for making phosphors for colour TV tube.
Index Model | Gd2O3.3N | Gd2O3.4N | Gd2O3.5N | Gd2O3.6N |
Gd2O3/TREO(%,min) | 99.9 | 99.99 | 99.999 | 99.9999 |
TREO(%,min) | 99.0 | 99.0 | 99.0 | 99.9 |
Appearance | White Powder | White Powder | White Powder | White Powder |
RE Impurities/TREO | %(Max) | %(Max) | ppm(Max) | ppm(Max) |
La2O3 | 0.001 | 0.0005 | 1 | 0.1 |
CeO2 | 0.001 | 0.001 | 1 | 0.1 |
Pr6O11 | 0.001 | 0.001 | 1 | 0.1 |
Nd2O3 | 0.001 | 0.001 | 1 | 0.1 |
Sm2O3 | 0.01 | 0.003 | 5 | 0.5 |
Eu2O3 | 0.01 | 0.003 | 5 | 0.5 |
Gd2O3 | Main | Main | Main | Main |
Tb4O7 | 0.001 | 0.0005 | 5 | 0.5 |
Dy2O3 | 0.001 | 0.0005 | 1 | 0.1 |
Ho2O3 | 0.001 | 0.0005 | 1 | 0.1 |
Er2O3 | 0.005 | 0.0005 | 5 | 0.5 |
Tm2O3 | 0.001 | 0.0005 | 1 | 0.1 |
Yb2O3 | 0.001 | 0.0005 | 1 | 0.1 |
Lu2O3 | 0.0005 | 0.0005 | 1 | 0.1 |
Y2O3 | 0.03 | 0.0005 | 1 | 0.1 |
Non-Re Impurities | %(Max) | %(Max) | ppm(Max) | ppm(Max) |
Fe2O3 | 0.015 | 0.0005 | 3 | 2.0 |
SiO2 | 0.015 | 0.005 | 50 | 10.0 |
CaO | 0.05 | 0.005 | 50 | 10.0 |
CoO | \ | \ | \ | \ |
NiO | 0.001 | 0.001 | 3.0 | \ |
CuO | 0.001 | 0.0005 | 3.0 | \ |
MnO2 | \ | \ | \ | \ |
Cr2O3 | \ | \ | \ | \ |
CdO | \ | \ | \ | \ |
PbO | 0.001 | 0.0005 | 3.0 | \ |
Al2O3 | \ | \ | \ | \ |
Na2O | \ | \ | \ | \ |
K2O | \ | \ | \ | \ |
MgO | \ | \ | \ | \ |
TiO2 | \ | \ | \ | \ |
ThO2 | \ | \ | \ | \ |
L.O.I(%,Max) | 1.0 | 1.0 | 0.5 | 0.5 |
Size(D50,um) | \ | \ | \ | \ |
Memo | Can custom-made as per request. |
ITEM | SPECIFICATIONS | TEST RESULTS | ||||||
Gd2O3/TREO(%,Min) | 99.999 | 99.999 | ||||||
TREO(%,Min) | 99.0 | 99.64 | ||||||
RE Impurities(ppm/TREO,Max) | ||||||||
La2O3 | 1 | <1.0 | ||||||
CeO2 | 1 | <1.0 | ||||||
Pr6O11 | 1 | <1.0 | ||||||
Nd2O3 | 1 | <1.0 | ||||||
Sm2O3 | 1 | <1.0 | ||||||
Eu2O3 | 2 | 2.0 | ||||||
Tb4O7 | 2 | <1.1 | ||||||
Dy2O3 | 1 | <1.0 | ||||||
Ho2O3 | 1 | <1.0 | ||||||
Er2O3 | 1 | <1.0 | ||||||
Tm2O3 | 1 | <1.0 | ||||||
Yb2O3 | 1 | <1.0 | ||||||
Lu2O3 | 1 | <1.0 | ||||||
Y2O3 | 1 | <1.0 | ||||||
Non-Re Impurities(ppm,Max) | ||||||||
Fe2O3 | 2 | <1.0 | ||||||
CaO | 5 | 4 | ||||||
SiO2 | 20 | 13 | ||||||
Cl- | 50 | <50 | ||||||
Al2O3 | 10 | / | ||||||
PbO | 2 | / | ||||||
NiO | 2 | / | ||||||
CuO | 2 | / | ||||||
L.O.I (%,Max) | 1 | 0.26 |
Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |