Toler, Ward (2018) Imidazolium Magnetic Ionic Liquid Solubilities in Water. Undergraduate thesis, under the direction of Paul Scovazzo from Chemical Engineering, University of Mississippi.
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Abstract
Magnetic ionic liquids (MILs) are room temperature ionic liquids that exhibit paramagnetic behavior. These liquids have tunable physiochemical properties with proposed applications in separations and drug delivery. It is, therefore, useful to know the solubility and micellar behavior of MILs in aqueous environments. Our group synthesized MILs with a FeCl4 anion and 1-alkyl-3-methylimidazolium cations and investigated aqueous solubility vs alkyl size (C2 through C10). We measured water solubility (MIL content in water saturated with the MIL) using UV-Vis spectroscopy, total organic carbon (TOC) analysis, and Total Nitrogen (TN) analysis. After observing micellar behavior for C(n)mim[FeCl4], where n > 6, we investigated the critical micelle concentration (CMC) of these MILs. Finally, we used Linear Free Energy Relationship (LFER) semi-empirical models to correlate the MIL water solubility to the MIL’s molecular volume. In the future, this LFER can predict the solubility of a MIL in water before the MIL is synthesized.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Creators: | Toler, Ward |
| Student's Degree Program(s): | Chemical Engineering |
| Thesis Advisor: | Paul Scovazzo |
| Thesis Advisor's Department: | Chemical Engineering |
| Institution: | University of Mississippi |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry T Technology > TP Chemical technology |
| Depositing User: | Ward Toler |
| Date Deposited: | 04 May 2018 16:29 |
| Last Modified: | 04 May 2018 16:29 |
| URI: | http://thesis.honors.olemiss.edu/id/eprint/1021 |
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