Measurement and modeling of the water-R143A partition coefficients of organic solutes using a linear solvation energy relationship.

The water-R143a partition coefficients for a set of thirteen organic solutes have been measured using high-pressure spectroscopy. Water partition coefficients of the organic solutes were measured in the gas and supercritical phases of 1,1,1-trifluoroethane (R143a). A linear solvation energy relation...

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Bibliographic Details
Main Authors: Lagalante, Anthony., Clarke, Adam., Bruno, Thomas.
Format: Villanova Faculty Authorship
Language:English
Published: 1999
Online Access:http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:177892
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Summary:The water-R143a partition coefficients for a set of thirteen organic solutes have been measured using high-pressure spectroscopy. Water partition coefficients of the organic solutes were measured in the gas and supercritical phases of 1,1,1-trifluoroethane (R143a). A linear solvation energy relationship (LSER) was developed to predict the measured water-R143a partition coefficients using the Abraham descriptors of the solute and an additional solvent descriptor as independent variables. Considering the entire water-R143a partition coefficient data, the LSER model has an average absolute relative deviation of 49.5%. Considering only the data above the critical density of R143a, the LSER has an average absolute relative deviation of 40.7%.