Stereodifferentiation of chiral compounds using reversed-phase liquid chromatography coupled with capillary gas chromatography
2003
Ruiz del Castillo, M. Luisa | Gómez Caballero, E. | Herraiz Carasa, Marta | Ministerio de Educación y Cultura (España)
A method is described for the enantiomeric quantitation of some chiral compounds via online coupling of reversed-phase liquid chromatography-gas chromatography. The evaluation of some variables affecting the experimentation (i.e., the packing material used in the interface, volume of the transferred fraction, desorption time, initial temperature of the interface, and purge time) makes it possible to optimize the recoveries obtained for some chiral terpenes and lactones using a capillary column of β-cyclodextrin dissolved in OV-1701. The proposed method allows the enantiomeric analysis of aqueous matrices obtaining relative standard deviations lower than 9% and detection limits ranging from 0.26–0.93 ppm for the investigated compounds.
Show more [+] Less [-]Financial support for this work by the Ministerio de Educación y Cultura (Project PB98-0803) is gratefully acknowledged.
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