May 11, 2020 · Ajiren offers 2ml Autosampler Vials, which are often used with HPLC, GC of Aijiren, Shimadzu, and Waters and other autosamplers. Flat-bottomed vials are suitable for moving downwards while the instrument is running. The flat-top-mouthed vials have a large contact area with septes and a tighter seal. Autosampler Vials made of Glass Bora Silicate