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Amorphous alloys based on zirconium are used as precursors for the preparation of highly active CO 2 and CO hydrogenation catalysts. The activation process of glassy CuZr, NiZr, and PdZr alloys is characterized by XPS and SIMS depth profiling. Upon exposure to CO 2 /H 2 or CO/H 2 reactant gas mixtures at 523 K, the formation of zirconium oxide occurs in spite of a large...
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