Three liquid chromatography bonded stationary phases--amino-, diol- and cyano-silica--have been characterized by two different methods. In the first, the retention of polar solutes in binary mixtures of hexane and polar solvents by the three bonded phases was studied as a function of the selectivity of both solutes and solvents. Three solutes and three solvents were chosen from the apices of the Snyder Selectivity Triangle. Fitting of this retention data to the Snyder adsorption-displacement model generated a three-by-three matrix of data and complete data sets for each bonded phase. It was demonstrated that these matrices not only provide practical retention information, but also give insight into the mechanism responsible for observed behavior. / The second approach utilized the relationship between experimentally generated solvent strengths and bonded phase solubility parameters. These parameters were used to position the three bonded phases on the selectivity triangle. / An important result to emerge from both studies is the necessity for characterizing solute/solvent/bonded phase combinations. A bonded phase simply cannot be characterized apart from the solute and solvent. / Source: Dissertation Abstracts International, Volume: 48-03, Section: B, page: 0733. / Thesis (Ph.D.)--The Florida State University, 1987.
| Identifer | oai:union.ndltd.org:fsu.edu/oai:fsu.digital.flvc.org:fsu_76098 |
| Contributors | SMITH, PATTY LEE., Florida State University |
| Source Sets | Florida State University |
| Detected Language | English |
| Type | Text |
| Format | 155 p. |
| Rights | On campus use only. |
| Relation | Dissertation Abstracts International |
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