The use of novel water‐in‐oil microemulsions in microemulsion electrokinetic chromatography
- 16 February 2004
- journal article
- research article
- Published by Wiley in Electrophoresis
- Vol. 25 (4-5) , 645-652
- https://doi.org/10.1002/elps.200305789
Abstract
We describe the novel use of water-in-oil (W/O) microemulsions to achieve unique separations in microemulsion electrokinetic chromatography (MEEKC). The choise and concentration of the buffer type, surfactant and co-surfactant were all examined and optimized. Separations of a range of neutral and acidic analytes was shown to be markedly different to that obtained by (oil-in-water) O/W MEEKC. Neutral solutes are separated by virtue of their solubility (log P) values in O/W MEEKC with the more water-insoluble solutes migrating last. This separation process does not occur in W/O, as neutral solutes are not separated in order of log P.Keywords
This publication has 10 references indexed in Scilit:
- Migration mechanism of bases and nucleosides in oil-in-water microemulsion capillary electrophoresisElectrophoresis, 2001
- Separation of neutral compounds by microemulsion electrokinetic chromatography: Fundamental studies on selectivityElectrophoresis, 2001
- The effect of operating variables in microemulsion electrokinetic capillary chromatographyChromatographia, 2000
- Selectivity in microemulsion electrokinetic chromatographyJournal of Chromatography A, 2000
- Microemulsion electrokinetic chromatography in suppressed electroosmotic flow environmentJournal of Chromatography A, 2000
- Microemulsion elektrokinetic chromatographic separation of antipyretic analgesic ingredientsJournal of Chromatography A, 1996
- Microemulsion electrokinetic chromatography with different organic modifiers: separation of water- and lipid-soluble vitaminsJournal of Chromatography A, 1995
- O/W Microemulsions and Hydrotropes: The Coupling Action of a HydrotropeLangmuir, 1994
- Photochemical degradation of a toxic organophosphorous analog (PMSF) in microemulsion mediaChemosphere, 1994
- The effect of butanol on the micellar properties of sodium dodecyl sulfate in aqueous electrolyte solutionsJournal of Colloid and Interface Science, 1989