SEARCH Articles Figures Tables Alkanes over solid superacids Catalysts solid superacid Lewis acids, solid superacids from Nafion resin catalyst, solid superacid Other Solid Superacids Solid superacids Hammett indicators Solid superacids Nafion Solid superacids acid strength Solid superacids acidity estimation Solid superacids acidity measurements Solid superacids advantages Solid superacids types Superacid Superacidity Superacids Superacids Immobilized on Solid Supports Superacids Supported on Solids Superacids solid, catalysts