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Journal of Undergraduate Research

Keywords

polar vs. polarizable substituents, polysiloxane stationary phases, gas chromatography

College

Physical and Mathematical Sciences

Department

Chemistry and Biochemistry

Abstract

For my creative work and research scholarship project I proposed the synthesis of four polymers for use as stationary phases in gas chromatography. Each polymer would contain a pendant group with a halogen-substituted benzene ring, making use of the four halogen atoms-fluorine, chlorine, bromine, and iodine. Since these atoms lie along a spectrum of polarity vs. polarizability, I hypothesized that testing the selectivity of the polymers as GC phases would increase our understanding of the roles of these closely related properties in chromatographic separations. I have chosen to submit selected nuclear magnetic resonance spectra as evidence of the success of the synthesis (see Table of NMR Spectra, page 5). Unfortunately, chromatographic testing is still being performed and these data are not yet available.

Included in

Chemistry Commons

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