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Cerium(IV) oxide, is an oxide of the rare earth metal cerium. It is a pale yellow-white powder with the chemical formula CeO2.
C 5312 (OTTO) Cerium(IV)oxide pellets, 1-3 mm, 99.99% Cas no 1306-38-3 - used to increases specific surface area and inhibits sintering and pore size growth at high temperatures.