cerium oxide /rare earth polishing powder

Cerium oxide/ceria  

Molecular Formula: CeO2 
CAS No.: 1306-38-3 
Appearance: Light yellow powder

 

Chemical Properties:   

 Value      Standard     Testing Method

TREO%:      99.9       >99         GB/T 14635.2

CeO2/TREO%:      99.95      >99.9        GB/T 20166.1      

La2O 3/TREO%:      0.0051     <0.01        ICP

Pr6O 11/TREO%:      0.0026     <0.01        ICP

Other Rare Earth:      0.01       <0.05        ICP

Fe2O3  max %:      0.004      <0.01        ICP

SiO2   max %:      0.005      <0.05        ICP

PbO   max %:      0.004      <0.01        ICP

CaO   max %:      0.015      <0.05        ICP

 

Pysical Properties:    

Particle size distribution: Value      Standard       Testing Method

  D10:                   0.2701um                 Horiba LA-920

D50:                   1.0179um                 Horiba LA-920

D90:                   2.1819um                 Horiba LA-920

D100:                  4.4720um                 Horiba LA-920

Specific Surface Area:     2.88m2/g      1-5         Specific Surface Area detector

  PH value:               7            7-9          PH test paper

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