EXHAUST GAS CATALYST COMPRISING RHODIUM, ZIRCONIA AND RARE EARTH OXIDE

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A catalyst comprising rhodium on a support, the support comprising 52-95 % zirconia and 5-48 % rare earth oxide, based on the total weight of (a) and (b), the concentration of the rhodium on the support being 0.035-0.35 % based on the total weight of the rhodium and the support, and the catalyst containing 1.2-4.0 g per in3 (g per 16.4 cm3) in total of (a) and (b).