SEARCH Articles Figures Tables Catalyst chromium Catalyst copper-chromium Catalysts copper oxide Chromium oxidants Chromium oxidation catalyst Chromium oxide Chromium oxide catalysts Chromium oxids Chromium-copper Copper - chromium oxide catalyst Copper catalyst Copper hydrogenolysis Copper oxidation with Copper oxidized Hydrogenolysis catalyst Oxidants copper Oxidative coppering Oxides chromium oxide Oxidic copper With Copper