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Determination of solvation kinetics in supercritical fluids

Technical Report ·
OSTI ID:5516911
The proposed research centers on improving our understanding of solvation processes in pure and entrainer-modified supercritical fluids. Specific topics are: (1) kinetics for solvation in supercritical media; (2) influence of entrainers on solvation; (3) reversibility of the solvation process (i.e., can equilibrium information be recovered); (4) effects of solvation on solute-solute interaction kinetics; and (5) impact of fluid density on these processes. Because of its inherent sensitivity, selectivity, and time resolution, we propose to investigate these processes with time-resolved fluorescence spectroscopy. The results from this project should provide insight into the kinetics and mechanisms of solute-fluid, solute-entrainer, and solute-solute interactions in supercritical media. In turn, this information can lead to a more accurate molecular understanding of supercritical fluid solvation. 21 refs., 18 figs.
Research Organization:
State Univ. of New York, Buffalo, NY (United States). Dept. of Chemistry
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
FG02-90ER14143
OSTI ID:
5516911
Report Number(s):
DOE/ER/14143-1; ON: DE91016096
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201* -- Chemical & Physicochemical Properties
ACETONITRILE
ALCOHOLS
AROMATICS
ARRHENIUS EQUATION
BULK DENSITY
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CONDENSED AROMATICS
CORRELATION FUNCTIONS
DENSITY
DOCUMENT TYPES
EMISSION SPECTRA
EMISSION SPECTROSCOPY
ENTRAINMENT
EQUATIONS
FLUIDS
FLUORESCENCE SPECTROSCOPY
FUNCTIONS
HYDROCARBONS
HYDROXY COMPOUNDS
KINETICS
NITRILES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
PYRENE
REACTION KINETICS
RED SHIFT
RELAXATION
SOLUTES
SOLVATION
SPECTRA
SPECTROSCOPY
SUPERCRITICAL STATE