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A series .of LaMnyCo1-yO3 compounds were prepared by the complexation method with citric acid. XPS was used to investigate the oxygen state in perovskite-type (ABO3) Complex okide LaMn.Co1-yO3 catalysts. The result showed that three oxygen species (α，β，β’) are present in the okides, and that the a-species is the active oxygen species in catalytical okidation.
A series. Of LaMnyCo1-yO3 compounds were prepared by the complexation method with citric acid. XPS was used to investigate the oxygen state in perovskite-type (ABO3) Complex okide LaMn.Co1-yO3 catalysts. The result showed that three oxygen species ( α, β, β ’) are present in the okides, and that the a-species is the active oxygen species in catalytical okidation.