Analysis of Commercially Available Hand Soap by TD-GC-TOFMS

® Trace Level Organochlorine and Organophosphorous Pesticides Analysis in Green Tea by SBSE-GC-TOFMS Mark Libardoni Ph.D and John Heim* • LECO Corporation, Saint Joseph, Michigan, USA (*corresponding author) Nobou Ochiai Ph.D and Kikuo Sasamato • GERSTEL K.K., Tokyo, Japan Key…

® SBSE-GCxGC-TOFMS Trace Level Organochlorine and Organophosphorous Pesticides Analysis in Brewed Green Tea Mark Libardoni Ph.D and John Heim* • LECO Corporation, Saint Joseph, Michigan, USA • *corresponding author Nobou Ochiai Ph.D and Kikuo Sasamato • GERSTEL K.K., Tokyo, Japan…

® Detection of Sulfur-Containing Metabolites of Asparagus in Urine by SBSE-GCxGC-TOFMS Pete Stevens • LECO Corporation; Saint Joseph, Michigan USA Key Words: GCxGC, TOFMS, Metabolomics, Twister Stir-Bar Extraction 2. Instruments and Methods In this study, measurements were made with a…

® Evaluation of PDMS-Based Extraction Techniques and GC-TOFMS for the Analysis of Off-Flavor Chemicals in Beer LECO Corporation; Saint Joseph, Michigan USA ® Key Words: GC-TOFMS, Beer, Off-Flavors, Polydimethylsiloxane, SBSE, Headspace Sorptive Extraction, Twister Carbonyl compounds (particularly aldehydes), furfuryl derivatives…