DISPERSION LIQUID, CATALYST FOR EXHAUST PURIFICATION AND METHOD FOR PRODUCING THE SAME

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PROBLEM TO BE SOLVED : To provide a technique which makes it possible to produce a catalyst for exhaust purification while preventing the sintering of noble metal. SOLUTION : A dispersion liquid contains noble metal, a rare earth element, a protectant and an organic base. The noble metal is at least partially in the form of hydroxide or the form of oxide hydrate. SELECTED DRAWING : Figure 5 COPYRIGHT : (C)2018, JPO&INPIT