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- W2136130120 abstract "Samples of LaMn1-xCuxO3-y in the range 0≤x≤0.8 were prepared from freeze-dried solutions of the nitrates. Samples with x≤0.6 were single-phase perovskites. At higher values of x, the samples contained La2CuO4 and CuO as well as the perovskite phase. Samples of LaMn1−x,Cux,O3−y supported on ceramic monoliths or when mixed with powdered A12O3 exhibit catalytic activity for the oxidation of CO. Greatest activity is shown for 0.4≤x≤0.7. Although the catalysts are severely poisoned by SO2, 2% H2O in the gas stream causes only slight deactivation. Activities of other oxide catalysts were also measured and compared. Rate constants per unit surface area at 200° to 400°C follow the order Co3O4>Pt>LaMn1−xCuxO3−y (0.4≤x≤0.7)>copper chromite>La1−xSrx,MnO3≤ other substituted LaMnO3 materials, CuO, or La2CuO4. The perovskite catalyst is more stable than Co3O4 or copper chromite when heated in 10% H2+ 90% N2." @default.
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- W2136130120 date "1977-01-01" @default.
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- W2136130120 title "Preparation, Structure, and Selected Catalytic Properties of the System LaMn<sub>1-x</sub>Cu<sub>x</sub>O<sub>3-y</sub>" @default.
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- W2136130120 doi "https://doi.org/10.1111/j.1151-2916.1977.tb16086.x" @default.
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