An online capillary solid-phase microextraction coupled liquid chromatography electrospray ionization-ion trap mass spectrometry (cSPME-LC-ESI-IT-MS) has been developed and applied for analyzing six phthalate esters (PAEs) in commercially available plastic bottled water.
The on-line SPE-LC-ESI-ion trap/MS/MS for the simultaneous analysis of residues of the veterinary drugs abamectin and ivermectine in milk using a column-switching technique.