This activity introduces students to a variety of considerations involving GC-MS.

Introduction
This module introduces students to the relationship between chromatograms and mass spectra using hands-on group work with molecules built from LEGO™ bricks and environmental case studies involving the analysis of pesticides by GC-MS and oil spill dispersant chemicals by LC-MS/MS.
The first of three in-class exercises guides students through the process of creating total and…