GL Sciences is a leading manufacturer of chromatography products and analytical laboratory solutions, specializing in high-performance liquid chromatography (HPLC) columns and sample preparation technologies. Its renowned Inertsil® brand offers a broad range of high-performance HPLC columns designed for reliable, reproducible separations across diverse applications. InertSustain® columns feature advanced, highly inert silica-based stationary phases designed to improve peak shape and performance for challenging compounds, including basic analytes. The InertSep® brand provides a comprehensive range of solid-phase extraction (SPE) products for efficient sample cleanup and preparation. Together, these product lines support analytical laboratories in pharmaceutical, environmental, food safety, and chemical testing, delivering dependable solutions for separation science and analytical method development.