Using a beveled finish vial reduced the amount of sealing surface between the crimp seal and the glass surface
A flat bottom might be necessary when vials have to run within the instrument on a slightly downwards tendency and preferred for manual headspace autosamplers
UltraClean Liners for sensitive analysis,it is mostly used for Chromatography analysis,including food &drug safety,and environmental testing )water & soil)
20mm aluminum crimp headspace,Temperature resistant from -60 °C up to 200 °C
ALWSCI 5ML Volumetric Measuring Flask Set NS10/13 Glass Stopper, Graduated, ASTM Class A Borosilicate Glass 3.3 for Laboratory, 2PCS
SAR 105
ALWSCI 500 PCS 20 mm Closure Size, Aluminum Crimp Seal with Natural PTFE/White Silicone Septa for Headspace Vial
SAR 141
ALWSCI 12 ml Evacuated Breathing Test Vials,Glass Breathing Test Vials Flat Bottom Silicone Coated for 13C Helicobacter Pylori Breath Testing 15.5 * 101 mm Unlabelled with White Cap, 100PCS
SAR 391
ALWSCI 20ml Scintillation Vials Heat-Resistant Liquid Borosilicate Glass Sample Scintillation Counting Vials, 22-400 White Urea Phenolic Seal Cone Lined Screw Cap Attached, 100PCS
SAR 329
