SEARCH Articles Figures Tables Alkylation sulfuric acid catalyst Catalyst sulfur Catalyst, alumina sulfuric acid Ethyl alcohol sulfuric acid catalyst Friedel-Crafts catalysts, hydrogen sulfuric acid Sulfonation by sulfuric acid and oleum in the presence of catalysts Sulfuric acid acetylation catalyst Sulfuric acid as catalyst Sulfuric acid as catalyst for Sulfuric acid catalysts cellulose Zinc sulfuric acid, hydrogenation catalyst