Terbium Oxide（氧化铽）   CAS NO: 12037-01-3, 12036-41-8 EINECS: 234-856-3, 234-849-5Molecular Formula: Tb4O7, Tb2O3Molecular Weight: 747.7, 365.85Properties: Dark Brown Powder, Insoluble In Water, Soluble In Mineral Acids. Absorbs Carbon Dioxide From The Air.Synonyms: Terbium(III, IV) oxide; Tetraterbium heptaoxide; Terbium(III) oxide; Diterbium trioxide. Specification: CODE TBO-4N TBO-3N TBO-2N TREO>% 99 99 99 Tb4O7/REO>% 99.99 99.9 99.0 L.O.I(1000℃1h)<% 1 1 1 D50(μm) 4.2±0.7 - - Non-rare earth impurities<ppm Fe2O3 2 30 50 CaO 5 10 10 SiO2 10 20 20 PbO 3 - - Cl- 50 80 100 Applications: Terbium Oxide, as an activator for phosphor and a dopant in garnet, as the raw material of producing Terbium metal and Terbium compounds.Packaging: Drum inner with plastic bag. Net weight 25/50 kg.Storage: Keep sealed and store in dry and cool places.

Dysprosium Oxide（氧化镝）   CAS NO: 1308-87-8 EINECS: 215-164-0Molecular Formula: Dy2O3Molecular Weight: 372.998Properties: White Or Light Yellow Powder Changes According To Purity. Insoluble In Water, Soluble In Acids. Absorbs Carbon Dioxide From The Air.Synonyms: Dysprosium(III) Oxide, Dysprosia, Dysprosium trioxide, Dysprosium(3+) oxide, Dysprosium sesquioxide. Specification: CODE DYO-4N DYO-3N DYO-2N TREO>% 99 99 99 Dy2O3/REO>% 99.99 99.9 99.0 L.O.I(1000℃1h)<% 1 1 1 Non-rare earth impurities<ppm Fe2O3 5 50 50 CaO 10 50 100 SiO2 50 50 100 Al2O3 50 50 100 Cl- 100 100 100 Applications:  Dysprosium Oxide used for halogen lamp, magnetic memory, as the raw material of producing Dysprosium metal, alloy and Dysprosium compounds.Packaging: Drum inner with plastic bag. Net weight 25/50 kg.Storage: Keep sealed and store in dry and cool places.

Holmium Oxide（氧化钬）   CAS NO: 12055-62-8, 39455-61-3 EINECS: 235-015-3Molecular Formula: Ho2O3Molecular Weight: 377.86Properties: Light Yellow Or Yellow Powder, Insoluble In Water, Soluble In Acids. Absorbs Carbon Dioxide From The Air.Synonyms: Holmium trioxide; Holmium (III) oxide; Holmium (3+) oxide. Specification: CODE HOO-4N HOO-3N HOO-2N TREO>% 99 99 99 Ho2O3/REO>% 99.99 99.9 99.0 L.O.I(1000℃1h)<% 1 1 1 Non-rare earth impurities<ppm Fe2O3 5 10 50 CaO 50 100 100 SiO2 30 50 100 Al2O3 50 50 100 Cl- 100 100 200 Applications: Holmium Oxide, as an additive of electro-light source and garnet, also can be used in glasses, ceramic electronic etc. As the raw material of producing Ho metal and Ho compounds.Packaging: Drum inner with plastic bag. Net weight 25/50 kg.Storage: Keep sealed and store in dry and cool places.

Erbium Oxide（氧化铒）   CAS NO: 12061-16-4 EINECS: 235-045-7Molecular Formula: Er2O3Molecular Weight: 382.516Properties: Pinkish Powder, Insoluble In Water And Soluble In Mineral Acids. Absorbs Carbon Dioxide From The Air.Synonyms: Erbia; Erbium trioxide; Erbium(3+) oxide; Erbium(III) oxide; Erbium sesquioxide; Dierbium trioxide. Specification: CODE ERO-4N ERO-3N ERO-2N TREO>% 99 99 99 Er2O3/REO>% 99.99 99.9 99.0 L.O.I(1000℃1h)<% 1 1 1 Non-rare earth impurities<ppm Fe2O3 5 10 50 CaO 50 100 100 SiO2 30 50 100 PbO 10 50 100 Cl- 100 100 200 CODE ERO-4N ERO-3N ERO-2N Applications: Erbium Oxide, as the pigment for glass, an additive in Y-Fe or Y-Al garnet, also be used in ceramic, electronic, neutron controlling material for atomic reactors etc. As the raw material of producing Erbium metal.Packaging: Drum inner with plastic bag. Net weight 25/50 kg.Storage: Keep sealed and store in dry and cool places.