A Solid Acidity Scale Based on the31P MAS-NMR Shift of Chemisorbed Triethylphosphine Oxide

Pyridine and ammonia as probes for FTIR analysis of solid acid catalysts

Tommy Barzetti, Elena Selli, D. Moscotti et al. · Journal of the Chemical Society Faraday Transactions · 1996 · 572 citations

Natural Sciences, Chemical Engineering, Chemistry +17

Spectral shifts in acid-base chemistry. 1. van der Waals contributions to acceptor numbers

Floyd L. Riddle, Frederick M. Fowkes · Journal of the American Chemical Society · 1990 · 358 citations

Natural Sciences, Chemistry, Organic Chemistry +7

Characterization of Acid Sites in Zeolitic and Other Inorganic Systems Using Solid-State ³¹P NMR of the Probe Molecule Trimethylphosphine Oxide

Edward F. Rakiewicz, Alan W. Peters, Richard F. Wormsbecher et al. · The Journal of Physical Chemistry B · 1998 · 175 citations

Natural Sciences, Chemistry, Materials Science +17

Phosphine oxides as NMR probes for adsorption sites on surfaces

Laima Baltusis, James S. Frye, Gary E. Maciel · Journal of the American Chemical Society · 1986 · 95 citations

Natural Sciences, Chemistry, Materials Science +17

A Solid Acid Catalyst at the Threshold of Superacid Strength:  NMR, Calorimetry, and Density Functional Theory Studies of Silica-Supported Aluminum Chloride

Teng Xu, Nick Kob, Russell S. Drago et al. · Journal of the American Chemical Society · 1997 · 93 citations

Natural Sciences, Chemical Engineering, Chemistry +17