GC is a common tool for quality control in drug production, small molecule study in medicine chemistry and discovery, metabolism research and other areas. The complexity of application demands special columns to provide separation with a high degree of column inertness and low column bleed for advanced GC, HSGC, HS-GC-MSD and other instrumentation. Based on the expertise and knowledge of both our customers and us, GS-Tek makes the following column selection recommendations.