China Competitive Price Cerium Oxide 99.9%-99.99% CEO2 Powder

• Customization: Available
• Certification: RoHS, ISO
• Shape: Powder
• Model NO.: LC-Cerium Oxide
• Purification Method: Vacuum Distillation
• Preparation Method: Extraction Separation
• Application: Catalyst Masses, Energy Materials, Photoelectric Material, Photorecording Material, Medicine, Astronavigation, Computer, ICT, Water Treatment
• Product Type: Rare Earth Oxide
• Composition: Cerium
• Molecular Formula: Cerium Oxide(CEO2)/Lanthanum Oxide(La2o3)
• Treo: 99% Above
• Appearance: Yellow Powder
• Purity: 99.99%-99.995%
• Formula: CEO2
• CAS No.: 1306-38-3
• Molecular Weight: 172.11
• Melting Point: 2400°c
• Type: Rare Earth Oxide
• Grade Standard: Industrial Grade
• OEM/ODM: Yes
• Sample: Yes
• Transport Package: 25kg/Bag or as Per Customer′ S Requirement
• Specification: 99.99%
• Trademark: Lanchuang
• Origin: China
• HS Code: 2846101000
• Production Capacity: 800t/Year

Product Description

Cerium Oxide

Formula: CeO2
CAS No.: 1306-38-3
Molecular Weight: 172.12
Density: 7.22 g/cm3
Melting point: 2,400° C
Appearance: Yellow powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic

Cerium Oxide

Lanthanum and cerium oxide is a mixture of lanthanum and cerium oxide, usually made by mixing lanthanum and cerium oxide in a certain proportion. It is an important rare earth metal oxide with many important applications. Its formula is usually written as (La_1-x Ce_x) O_2-x/2, where 0 < x < 1 represents the molar fraction of lanthanum oxide and cerium oxide in lanthanum and cerium oxide. First, it is a good oxidizing agent and is often used in areas such as catalysts and spark plugs. Secondly, it is also widely used in solid oxide fuel cells (SOFC). In addition, lanthanum and cerium oxide is often used in ceramic and glass materials. Other applications include catalysts, waste gas treatment catalysts.

Specification:

Product name	Cerium Oxide	Cerium Oxide	Cerium Oxide	Cerium Oxide
Grade	99.999%	99.99%	99.9%	99%
CHEMICAL COMPOSITION
CeO2/TREO (% min.)	99.999	99.99	99.9	99
TREO (% min.)	99	99	99	99
Loss on ignition (% max.)	1	1	1	1
Rare Earth Impurities	ppm max.	ppm max.	% max.	% max.
La2O3/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Y2O3/TREO	2 2 2 2 2	50 50 20 10 10	0.1 0.1 0.05 0.01 0.01	0.5 0.5 0.2 0.05 0.05
Non-Rare Earth Impurities	ppm max.	ppm max.	% max.	% max.
Fe2O3 SiO2 CaO PbO Al2O3 NiO CuO	10 50 30 5 10 5 5	20 100 100 10	0.02 0.03 0.05	0.03 0.05 0.05

ITEM	SPECIFICATIONS	TEST RESULTS
CeO2/TREO(%,min)	99.999	99.999
TREO(%,min)	99.0	99.51
RE Impurities(ppm/TREO,Max)
La2O3		1.0
Pr6O11		1.0
Nd2O3		1.0
Sm2O3		1.0
Eu2O3		1.0
Gd2O3		1.0
Tb4O7		1.0
Dy2O3		1.0
Ho2O3		1.0
Er2O3		1.0
Tm2O3		1.0
Yb2O3		1.0
Lu2O3		1.0
Y2O3		1.0
Non-Re Impurities(ppm,Max)
Fe2O3		5.0
SiO2		31.0
CaO		25.0
Al2O3		5.0
L.O.I		0.15%

Application

Cerium oxide, also known as ceria, has several important applications due to its unique chemical properties. Here are some of its key uses:

1. Polishing Agent: Cerium oxide is widely used as a polishing agent, particularly for polishing glass, including mirrors, television screens, and optical lenses. Its fine particle size and chemical properties help achieve a smooth, defect-free surface.

2. Catalyst: It's used in various chemical processes as a catalyst. In automotive applications, cerium oxide is used in catalytic converters to reduce harmful emissions from internal combustion engines.

3. Glass Additive: In glass manufacturing, cerium oxide is added to improve the color and clarity of glass. It helps in decolorizing glass by offsetting the green tint that can be caused by iron impurities.

4. Ceramics: In ceramics, cerium oxide enhances color and strength. It's often used in glazes and decorative finishes.

5. UV Absorber: Due to its ability to absorb ultraviolet light, cerium oxide is used in coatings and plastics to prevent UV degradation.

6. Fuel Cells: It's used in solid oxide fuel cells (SOFCs) due to its ionic conductivity and oxygen storage capability.

7. Semiconductors and Electronics: In the semiconductor industry, cerium oxide is used for chemical mechanical planarization, a process essential for smoothing and finishing silicon wafers.

8. Oxygen Sensors and Storage: Its ability to store and release oxygen makes it useful in oxygen sensors and oxygen storage systems.

9. Radiation Protection: Cerium oxide nanoparticles can protect against radiation, making it a candidate for use in radiation therapy and radiological protection.

10. Biomedical Applications: There is growing interest in using cerium oxide nanoparticles for biomedical applications, including as antioxidants in therapeutic treatments.

We can provide 99%, 99.9%, 99.99%, 99.999% purity. Special requirements for impurities can be customized according to customer requirements.