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Merck

Cerium oxide nanoparticles prepared in self-assembled systems.

Advances in colloid and interface science (2008-11-26)
Ali Bumajdad, Julian Eastoe, Asha Mathew
ABSTRACT

This review concerns recent research on the synthesis of cerium oxide (also known as ceria, CeO(2)) in colloidal dispersions media for obtaining high surface area catalyst materials. Nanoparticles as small as 5 nm and surface area as high as 250 m(2)/g can be readily prepared by this method. Both normal micelles and water-in-oil microemulsions have been employed to directly precipitate nanoceria or other cerium precursors which can be converted into ceria by calcination.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Cerium, ingot, under oil, 99.9% trace rare earth metals basis
Sigma-Aldrich
Cerium, chips
Cerium, wire reel, 25mm, diameter 1.0mm, hard, 99.9%
Cerium, rod, 100mm, diameter 6.35mm, cast, 99.9%
Cerium, foil, 50x50mm, thickness 0.1mm, as rolled, 99.9%
Cerium, rod, 100mm, diameter 12.7mm, cast, 99.9%
Cerium, rod, 50mm, diameter 6.35mm, cast, 99.9%
Cerium, wire reel, 50mm, diameter 1.0mm, hard, 99.9%
Cerium, wire reel, 100mm, diameter 1.0mm, hard, 99.9%
Cerium, foil, not light tested, 25x25mm, thickness 0.025mm, as rolled, 99.9%
Cerium, rod, 50mm, diameter 12.7mm, cast, 99.9%
Cerium, foil, 25x25mm, thickness 0.1mm, as rolled, 99.9%
Cerium, foil, not light tested, 50x50mm, thickness 0.025mm, as rolled, 99.9%