Protonation of transition metal substituted heteropoly tungstates in protic and aprotic media

CHED 1213

Brian T. Tyler, tylerb@canisius.edu, Mark Makar, makarm@canisius.edu, Thomas J. Dobmeier, dobmeiet@canisius.edu, Jane Arcadi, arcadij@canisius.edu, Mariusz Kozik, kozik@canisius.edu, and Steven H. Szczepankiewicz, szczepas@canisius.edu. Department of Chemistry and Biochemistry, Canisius College, 2001 Main St., Buffalo, NY 14208
Various transition metals are easily substituted into heteropoly tungstate ions. Different substitutions cause slight variations in pKa as observed by potentiometric titration and cyclic voltammetry, and capillary electrophoresis. 31P NMR data suggest new species form when protonated in nonpolar solvents. These results offer valuable insight toward rational catalyst design.
 

Undergraduate Research Poster Session: Inorganic Chemistry
2:00 PM-4:00 PM, Monday, April 7, 2008 Morial Convention Center -- Hall A, Poster

Division of Chemical Education

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008