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Magic angle spinning nuclear magnetic resonance apparatus and process for high-resolution in situ investigations

United States Patent

November 24, 2015
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A continuous-flow (CF) magic angle sample spinning (CF-MAS) NMR rotor and probe are described for investigating reaction dynamics, stable intermediates/transition states, and mechanisms of catalytic reactions in situ. The rotor includes a sample chamber of a flow-through design with a large sample volume that delivers a flow of reactants through a catalyst bed contained within the sample cell allowing in-situ investigations of reactants and products. Flow through the sample chamber improves diffusion of reactants and products through the catalyst. The large volume of the sample chamber enhances sensitivity permitting in situ .sup.13C CF-MAS studies at natural abundance.
Hu; Jian Zhi (Richland, WA), Sears, Jr.; Jesse A. (Kennewick, WA), Hoyt; David W. (Richland, WA), Mehta; Hardeep S. (Kennewick, WA), Peden; Charles H. F. (West Richland, WA)
13/ 648,751
October 10, 2012
STATEMENT REGARDING RIGHTS TO INVENTION MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT This invention was made with Government support under Contract DE-AC05-76RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.