Designed for high-precision gas chromatography (GC) headspace analysis the ASI20mm Round Bottom Amber Glass Headspace Vial offers a cost-effective high-quality solution compatible with all major headspace GC instruments Made from amber Type I borosilicate glass these vials protect light-sensitive samples while ensuring exceptional thermal and chemical resistance making them ideal for volatile gas analysis in pharmaceutical environmental and industrial applications Key Features Amber Type I Borosilicate Glass Protects light-sensitive samples from UV exposure while maintaining sample purity Round Bottom Design Enhances heat distribution for optimal headspace analysis and ensures smooth handling in automated systems Standard 20mm Crimp Top Compatible with a wide range of crimp seals and autosamplers Enhanced Durability Thick glass walls provide resistance to high temperatures and internal pressures ensuring sample integrity Specification Certified Meets US EU and JPN Pharmacopo