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GdxZryTizCe1–x–y–zO2 solid solutions with a crystallite size of 5–10nm have been prepared by the sonochemical method from inorganic salts. Ceria-based materials exhibited a mesoporous structure with diameter of 2–10nm. The activity of the solid solution in the oxidation of carbon monoxide is determined by the flow method within a temperature range of 20–500°C at atmospheric pressure for the following...
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