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La2O3 Powder (Small Particle)

Physical Property
Appearance		White powder, insoluble in water but soluble in acid
Crystal Shape		Cubic	X-ray Diffraction
Median Particle Diameter（µm）		1µm, 2µm	Laser Particle Analyzer	Customization is available
BET（㎡/g）			BET Absorption Method	Customization is available
Chemical Composition
TREO%			≥98	≥98
CeO2/REO%			≥99.95	≥99.99
Rare Earth Impurity Content %	La2O3		matrix	matrix
	CeO2		≤0.01	≤0.002
	Pr6O11		≤0.01	≤0.002
	Nd2O3		≤0.01	≤0.002
	Sm2O3		≤0.01	≤0.002
	Eu2O3		——	——
	Gd2O3		——	——
	Tb4O7		——	——
	Dy2O3		——	——
	Ho2O3		——	——
	Er2O3		——	——
	Tm2O3		——	——
	Yb2O3		——	——
	Lu2O3		——	——
	Y2O3		≤0.01	≤0.002
%Loss on ignition of 1000℃ for one hour			≤2	≤2

Main Application:
1. It can be used as glass additives, which has the function to absorb ultraviolet ray and infrared.
2. Applied in the vehicles’ cleaning catalysts to prevent large amount of automobile exhaust from discharging to the air.
3. CeO3 can be used in polishing materials.
4. It is applied in hydrogen storage materials, thermoelectric materials, CeO3 tungsten electrode, ceramic capacitors, piezoelectric ceramics, fuel cells materials, gas catalyzers, permanent magnet materials, all kinds of alloys, steels and nonferrous metal.

CeO2 Powder (Small Particle)

Physical Property
Appearance		Pale yellow powder, insoluble in water but soluble in acid
Crystal Shape		Cubic	X-ray Diffraction
Median Particle Size（µm）		0.3µm, 1µm, 2µm	Laser Particle Analyzer	Customization is available.
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98	≥98
CeO2/REO%			≥99.95	≥99.99
Rare Earth Impurity Content %	La2O3		≤0.02	≤0.002
	CeO2		matrix	matrix
	Pr6O11		≤0.02	≤0.002
	Nd2O3		≤0.02	≤0.002
	Sm2O3		≤0.02	≤0.002
	Eu2O3		——	——
	Gd2O3		——	——
	Tb4O7		——	——
	Dy2O3		——	——
	Ho2O3		——	——
	Er2O3		——	——
	Tm2O3		——	——
	Yb2O3		——	——
	Lu2O3		——	——
	Y2O3		≤0.02	≤0.002
%Loss on ignition of 1000℃ for one hour			≤2	≤2

Main Applications:
1.It can be applied in piezoelectric materials, thermoelectric materials, pyroelectric materials, magneto-resistive materials, fluorescent materials, hydrogen storage materials, optical glass, laser materials, etc.
2.All kinds of alloy materials.
3.It is used to be the preparation as catalysts for organic chemical products.
4.It is used in neutralizing the catalysts of vehicle exhaust.
5.It shapes the function of switching light in agricultural sheeting.

Nd2O3 Powder (Small Particle)

Physical Property
Appearance		Bright mauve powder, insoluble in water but soluble in acid
Crystal Shape		Cubic	X-ray Diffraction
Median Particle Size（µm）		＜1.0 µm	Laser Particle Analyzer	Customized service is provided.
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98	≥98
Y2O3/REO%			≥99.9	≥99.95
Rare Earth Impurity Content %	La2O3		≤0.02	≤0.01
	CeO2		≤0.02	≤0.01
	Pr6O11		≤0.03	≤0.01
	Nd2O3		matrix	matrix
	Sm2O3		≤0.02	≤0.01
	Eu2O3		——	——
	Gd2O3		——	——
	Tb4O7		——	——
	Dy2O3		——	——
	Ho2O3		——	——
	Er2O3		——	——
	Tm2O3		——	——
	Yb2O3		——	——
	Lu2O3		——	——
	Y2O3		≤0.01	≤0.01
%Loss on ignition of 1000℃ for one hour			≤2	≤2

Main Applications:
1.It can be applied in nonferrous metal materials to improve the high temperature property, air tightness and corrosion resistance of alloys, which is usually used in space materials.
2.Neodymium Oxide can be doped in Yttria aluminum garnet.
3.It is used for tinting of glass and ceramic materials, rubber products and additives.
4.Multi-layer ceramic capacitors.

Sm2O3 Powder (Small Particle)

Physical Property
Appearance		Pale yellow powder, insoluble in water but soluble in acid
Crystal Shape		Cubic	X-ray Diffraction
Median Particle Size（µm）		＜1.0 µm	Laser Particle Analyzer	Customization is available.
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98	≥98
Y2O3/REO%			≥99.5	≥99.99
Rare Earth Impurity Contents %	La2O3		——	——
	CeO2		——	——
	Pr6O11		——	——
	Nd2O3		——	——
	Sm2O3		≤0.02	≤0.001
	Eu2O3		≤0.02	≤0.001
	Gd2O3		matrix	matrix
	Tb4O7		≤0.02	≤0.001
	Dy2O3		≤0.02	≤0.001
	Ho2O3		——	——
	Er2O3		——	——
	Tm2O3		——	——
	Yb2O3		——	——
	Lu2O3		——	——
	Y2O3		≤0.01	≤0.001
%Loss on ignition of 1000℃ for one hour			≤2	≤2

Main Applications:
1.Preparations of catalysts.
2.Sm2O3 (Small Particle) has nuclear features that can be used in the structure materials, screening materials and control materials of atomic energy reactor.
3.Multi-layer ceramic capacitors.

Gd2O3 Powder (Small Particle)

Physical Property
Appearance		White powder, insoluble in water but soluble in acid
Crystal Shape		Cubic	X-ray Diffraction
Median Particle Size（µm）		＜1.0µm	Laser Particle Analyzer	Customization is available.
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98	≥98
Y2O3/REO%			≥99.5	≥99.99
Rare Earth Impurity Content %	La2O3		——	——
	CeO2		——	——
	Pr6O11		——	——
	Nd2O3		——	——
	Sm2O3		≤0.02	≤0.001
	Eu2O3		≤0.02	≤0.001
	Gd2O3		matrix	matrix
	Tb4O7		≤0.02	≤0.001
	Dy2O3		≤0.02	≤0.001
	Ho2O3		——	——
	Er2O3		——	——
	Tm2O3		——	——
	Yb2O3		——	——
	Lu2O3		——	——
	Y2O3		≤0.01	≤0.001
%Loss on ignition of 1000℃ for one hour			≤2	≤2

Main Applications:
1.It can be applied in oscillagraph tube with special brightness and X-ray fluorescent screen.
2.It can be used in the monocrepids of magnetic memory cards.
3.Gd2O3 is used as the an element of solid magnet cooling agent.
4.X-ray intensifying screen
5.Multi-layer ceramic capacitors.

Y2O3 Powder (Small Particle)

Physical Property
Appearance		White powder, insoluble in water but soluble in acid
Crystal Shape		Cubic		X-ray Diffraction
Primary Particle Size（µm）		0.3µm; 1µm; 2µm		TEM /SAXS	Customization is available
BET（㎡/g）		＞20		BET Absorption Method
Chemical Composition
TREO%			≥98		≥98
Y2O3/REO%			≥99.995		≥99.999
Rare Earth Impurity Content %	La2O3		≤0.0005		≤0.0001
	CeO2		≤0.0005		≤0.0001
	Pr6O11		≤0.0002		≤0.0001
	Nd2O3		≤0.0002		≤0.0001
	Sm2O3		≤0.0002		≤0.0001
	Eu2O3		≤0.0002		≤0.0001
	Gd2O3		≤0.0002		≤0.0001
	Tb4O7		≤0.0002		≤0.0001
	Dy2O3		≤0.0002		≤0.0001
	Ho2O3		≤0.001		≤0.0001
	Er2O3		≤0.001		≤0.0001
	Tm2O3		≤0.0001		≤0.00002
	Yb2O3		≤0.0001		≤0.00002
	Lu2O3		≤0.0001		≤0.00002
	Y2O3		matrix		matrix
%Loss on ignition of 1000℃ for 1h			≤2		≤2

Main Application:
1. It can be applied in additives of iron and nonferrous metal, which is able to strengthen the oxidation resistance and ductility of stainless steel as well as improve the conductivity and mechanical strength of the alloys.
2. It is used in various kinds of fluorescent materials.
3. As a high temperature proton conductive material, it can also be used in the fuel cells, electrolytic cells and gas sensors with high hydrogen solubility.
4. It is also used in development of engine components and mechanical processing like boring, melding and cutting.
5. Y2O3 can be applied in high temperature spraying materials, fuel diluent of atomic energy reactor, permanent magnet material additives and getters in electronic industry.
6. Multi-layer ceramic capacitors.

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