th  - 1987 - 51st ENC Conference

Wednesday - AM
Applications of Solid State NMR Methods to
Problems of Interest to Surface Chemistry
by
Paul D. Ellis, Paul D. Majors, ~ Thomas E. Raidy, 2 Paul S. Marchetti,
Alan Benesi, 3 Doug Morris and Shelton Bank, W and Richard Adams
Department of Chemistry
University of South Carolina
Columbia, South Carolina 29208
For the past several months our group has been interested in the ap-
plication of multinuclear solid state nmr methods to surface chemistry. These
problems include studies of simple amines, via 2H and ~SN nmr s'6 on Y-alumina.
The purpose of these studies is to probe the number of acid sites on the sur-
face and to extract via indirect methods the surface distribution of AI 3+
atoms on Y-alumina. If the experimental gods are willing we will also discuss
our attempts at the direct observation of th~ A1 s+ distribution via 2~AI nmr.
Additional studies have involved 9SMo nmr of Molybdenum-Alumina Hydrodesul-
furization catalysts. Our work is only beginning with these systems, but we
will summarize our work to date. The work summarized here has been supported
by the NSF through CHE 86-11306.
I. Current Address: Lovelace Medical Foundation, Research Division, 2425
Ridgecrest Dr., SE, Albuquerque, NM 87108.
2. Current Address: General Electric Co., NMR Instruments, Fremont, CA
94539.
3. Current Address: Department of Chemistry, Penn State University,
University Park, PA 16802.
4. On Sabbatical leave from SUNY, Albany.
5. P.D. Majors, T.E. Raidy, and P.D. Ellis, J. Amer. Chem. Soc., 108, 8123
{1986).
6. P.D. Majors and P.D. Ellis, ibid, in press.