Exhaust Catalysts: Appropriate Conditions for Comparing Platinum and Base Metal

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Science  23 Feb 1973:
Vol. 179, Issue 4075, pp. 798-800
DOI: 10.1126/science.179.4075.798


There are fundamental differences in the behavior of alumina-supported samples of a platinum and a copper-chromium catalyst for oxidation of carbon monoxide in a simulated automotive exhaust stream. Ignoring such differences can result in inappropriate comparisons between oxidation catalysts for automotive application.