Oxide particles and method for producing them

Details Oxide particles and method for producing them Oxide particles and method for producing them

1993-07-21

1995-02-14

Green, Anthony

Chemistry of inorganic compounds

Rare earth compound

106 3, 501152, C01F 1700

Patent

active

053893522

ABSTRACT:
The invention is a process for preparing chemically active solid oxide particles useful for polishing, composed primarily of CeO.sub.2, or CeO.sub.2 together with other oxides, comprising: (a) forming an aqueous solution comprised of a water soluble trivalent cerium salt and an oxidizing agent and (b) aging said mixture in the liquid state for a time not less than 4 hours.

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Hsu et al., Preparation and Properties of Monodispersed Colloidal Particles of Lanthanide Compounds--2. Cerium(IV).sup.+, Langmuir, vol. 4, pp. 31-37, 1988 [no month].
Grahl-Madsen and Riman, Hydrothermal Preparation of Stabilized Zirconia Powder Proc. 3rd Int. Conf. on Ceramic Powder Science pp. 33-40, 1990 [no month].

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