Competitive Price &High Purity Cerium Hydroxide Rare Earth Powder Raw Material
Product Details
| Purity: | 99.9% | Origin: | China |
|---|---|---|---|
| Density: | 6.15 G/cm³ | Meltingpoint: | 1523 °C |
| Productname: | Rare Earth Material | Electricalconductivity: | High |
| Boilingpoint: | 3403 °C | Chemicalcomposition: | Lanthanides Series Elements |
| Physicalform: | Powder | Magneticproperties: | Paramagnetic |
| Color: | Silvery White | Storageconditions: | Store In A Cool, Dry Place |
| Hazards: | Oxidizes In Air, Handle With Care | ||
| Highlight |
high purity cerium hydroxide powder,rare earth cerium hydroxide raw material,competitive price cerium hydroxide compound |
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Product Description
Competitive Price &High Purity Cerium Hydroxide Rare Earth Powder Raw Material
Cerium(IV) Hydroxide
Cerium(IV) hydroxide, usually referring to tetravalent cerium hydroxide, is an important rare earth compound with the chemical formula Ce(OH)₄.
1. Basic Information
· CAS No.: 12014-56-1
· Molecular Weight: 208.15
· Synonyms: Ceric hydroxide, hydrated cerium dioxide
2. Physical and Chemical Properties
· Appearance: Amorphous powder in light yellow, brownish yellow or off-white.
· Solubility: Insoluble in water and weak acids, soluble in concentrated inorganic acids (such as hydrochloric acid, nitric acid, sulfuric acid) to form corresponding cerium salts.
· Chemical Characteristics
o Strong oxidizing property: Cerium exists in the +4 valence state and exhibits strong oxidizing activity.
o Oxygen storage capacity: The variable valence between Ce⁴⁺/Ce³⁺ endows it with excellent oxygen storage/release performance.
o Air sensitivity: Easily absorbs CO₂ from air and gradually converts into cerium carbonate.
3. Preparation Method
The precipitation method is mainly adopted in industry:
· Use cerium nitrate (Ce(NO₃)₄) or cerium chloride (CeCl₄) solution as raw materials.
· Add sodium hydroxide (NaOH) or ammonia water (NH₃·H₂O) as precipitant.
· Control pH and temperature to form cerium(IV) hydroxide precipitate.Ce4++4OH−→Ce(OH)4↓
4. Main Applications
Glass Industry
· Decolorizing/clearing agent: Removes green tint caused by iron impurities in glass and improves transparency.
· Polishing powder: Used for precision polishing of optical glass, eyeglass lenses and display screens.
Environmental Catalysis
· Three-way catalyst: Core material for automobile exhaust purification, converting CO, NOₓ and hydrocarbons.
· Catalyst support: Used in fuel cells and organic synthesis catalysis.
Other Fields
· Plastic stabilizer (for PVC)
· Ceramic additive
· Raw material for preparing other cerium compounds
5. Storage
Store in a sealed, dry and cool place to prevent deterioration caused by carbon dioxide absorption.
Cerium Hydroxide
Molecular Formula: Ce(OH)₄
Appearance: Cerium hydroxide is a pale yellow powder
Application: Used as a clarifying and decolorizing agent in the glass industry, and as a raw material for the production of high-cerium compounds.
|
Item |
Specification |
Testing Standard |
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|
Item |
Ce(OH)4-3N5 |
Ce(OH)4-4N |
Ce(OH)4-4N5 |
Ce(OH)4-5N |
|
|
TREO(wt%) |
55.0～70.0 |
55.0～70.0 |
55.0～70.0 |
55.0～70.0 |
|
|
Rare Earth Relative Purity (wt%) |
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|
La2O3/TREO |
≤0.01 |
≤0.005 |
≤0.003 |
≤0.0004 |
GB/T 18115.2 |
|
CeO2/TREO |
≥99.95 |
≥99.99 |
≥99.995 |
≥99.999 |
|
|
Pr6O11/TREO |
≤0.01 |
≤0.002 |
≤0.001 |
≤0.0002 |
|
|
Nd2O3/TREO |
≤0.01 |
≤0.002 |
≤0.001 |
≤0.0002 |
|
|
Sm2O3/TREO |
≤0.001 |
≤0.0005 |
≤0.0002 |
≤0.0001 |
|
|
Y2O3/TREO |
≤0.001 |
≤0.0005 |
≤0.0002 |
≤0.0001 |
|
|
Non-Rare Earth Impurities Content (wt%) |
|||||
|
Fe2O3 |
≤0.005 |
≤0.003 |
≤0.002 |
≤0.002 |
参照GB/T 12690 |
|
CaO |
≤0.02 |
≤0.015 |
≤0.01 |
≤0.01 |
|
|
SiO2 |
≤0.02 |
≤0.015 |
≤0.01 |
≤0.01 |
|
|
Cl- |
≤0.01 |
≤0.01 |
≤0.01 |
≤0.01 |
|
|
Al2O3 |
≤0.05 |
≤0.03 |
≤0.01 |
≤0.01 |
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Note: Cerium hydroxide is insoluble in water and soluble in strong acids. Packaging: This product is usually packed in 50kg or 1000kg, and can also be packed according to customer requirements. The packaging material is a woven bag lined with a plastic bag. |
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Product Highlights
Competitive Price &High Purity Cerium Hydroxide Rare Earth Powder Raw Material Cerium(IV) Hydroxide Cerium(IV) hydroxide, usually referring to tetravalent cerium hydroxide, is an important rare earth compound with the chemical formula Ce(OH)₄. 1. Basic Information · CAS No.: 12014-56-1 · Molecular ...
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High quality for Lanthanum Cerium Hydroxide Rare Earth Material
Lanthanum-Cerium Hydroxide Molecular Formula: LaCeₙ(OH)ₓ Appearance: White powder Uses: Used as a refining and decolorizing agent in the glass industry, and as a raw material for the production of high-cerium compounds. Item Specifications Test Method Item LaCe n (OH) X -65CeA LaCe n (OH) X -65CeB TREO(wt%) ≥60 ≥60 Lanthanum-Cerium Distribution and Rare Earth Impurities (wt%) La 2 O 3 /TREO 35±2 35±2 GB/T 16484.3 CeO 2 /TREO 65±2 65±2 Pr 6 O 11 /TREO ≤0.01 ≤0.005 Nd 2 O 3
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