CAPILLARY ELECTROPHORESIS-ELECTROSPRAY IONIZATION-MASS SPECTROMETRY USING SINGLE DROP MICROEXTRACTION AND LARGE-VOLUME STACKING

摘要

The present invention relates to a method for continuously stacking, separating, and analyzing a sample extracted as an organic droplet, through the linking of single drop microextraction (SDME) and large-volume stacking using an electroosmotic flow pump (LVSEP) with capillary electrophoresis-electrospray ionization-mass spectrometry (CE-ESI-MS). By applying the method of the present invention, the concentration coefficient of an extracted sample can be remarkably improved, the sample can be analyzed with a high sensitivity, and a soil pollutant sample having a low concentration can be conveniently and usefully analyzed without passing through a complex process.