267 research outputs found
Nuclear Magnetic Resonance and Hyperfine Structure
Contains reports on five research projects
Nuclear Magnetic Resonance
Contains research objectives and reports on five research projects
Nuclear Magnetic Resonance and Hyperfine Structure
Contains reports on five research projects
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Chemical conversions in supercritical media: Environmentally sound approaches to processes and materials
This is the final report of a two-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The aim of this effort was to evaluate the potential of supercritical fluids (SCF) as reaction media in an effort to develop new, environmentally-friendly methods for chemical synthesis or processing. The use of novel media creates the possibility of opening up substantially different chemical pathways, increasing selectivity (eliminating waste by-products), and enhancing reaction rates (decreasing hold-up times and saving energy). In addition, the use of SCF as reaction media facilitates downstream separations and mitigate or eliminate the need for hazardous solvents on scales from bench top to production. This project employed a highly interdisciplinary approach to investigate the utility of SCFs as reaction media for polymer synthesis and synthetic organic chemistry
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