Online SPE–LC–MS/MS combined with the method presented enabled automated cleanup of food extracts and determination of PFAS compounds in the ng/kg range.
A simple and rugged method to determine psychoactive drugs using automated SPE–LC–MS/MS is described.
A highly sensitive method for quantitative determination of contaminants in surface waters, with and without particulate matter, was tested using stir-bar sorptive extraction (SBSE).
GC–MS Analysis of Aroma Compounds in Edible Oils by Direct Thermal Desorption