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Preparation of ceria polishing powder.

source：www.btslckj.cn  |  Release time：2022年04月02日
Preparation of ceria polishing powder.
   in recent years, with the development and application of new rare earth materials, ultrafine ceria powder has been found to have new properties.
The preparation of cerium oxide is described by solid phase sintering, liquid phase, gas phase and spray pyrolysis.

   solid state sintering is a traditional method for preparing ceria polishing powder, which is a method for preparing products through high-temperature solid-state reaction.



  for example, Cerium Oxalate CE2 (C2O4) 3.10h2o is prepared by mechanical solid-state chemical reaction of chlorination and oxalic acid at low temperature. After winding, CE2 (C2O4) 3.10h2o was decomposed at 400 ℃ for 2h after thermogravimetric analysis and differential thermal analysis. Yellow ceria with particle size of about 80 nm, spherical surface shape and cubic crystal structure can be obtained.
   solid state sintering method has the advantages of large output and simple preparation process, but it is generally less used due to the disadvantages of high energy consumption, low efficiency and easy mixing of impurities.
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