Selecting the optimal septa is crucial for preserving sample quality in 1.5ml Glass HPLC Autosampler Vials. Learn about septa materials, including silicone, PTFE-lined, and butyl rubber, and their suitability for various analytical methods like HPLC, GC, and MS. Optimize your workflow with the right septa choice. #septa #1.5mL glass vials #high recovery vials #sample integrity #HPLC #GC #MS #chemical resistance #septa fit #analytical methods