Abstract
Abstract Solid-state 1H and 31P MAS NMR of trialkylphosphine and trialkylphosphine oxide probe molecules adsorbed on various porous solid acid catalysts, namely H-ZSM-5, H-MCM-22, H-Mordenite, H-USY, H-β, H-MCM-41 and sulfated zirconia, have been studied. It is shown that, qualitative and quantitative information of the acid sites can be obtained when the 31P NMR results are combined with the data obtained from ICP elemental analyses.
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