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Method for preparing cerium carbonate and method for preparing cerium oxide powder

Image Number 6 for United States Patent #8114370.

The present invention relates to a method for preparing cerium carbonate that can improve yield and productivity of cerium carbonate, cerium carbonate powder, and a method for preparing cerium oxide using the same. The method for preparing cerium carbonate comprises the steps of mixing a cerium precursor and urea; and, elevating the temperature of the mixture to C. under solvent free condition to react the cerium precursor and urea.

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