顶空瓶，2ML 透明钳口 20MM 方形瓶口 圆底 100Pack

Use Performance Level 1 Thermo Scientific™ SureSTART™ 20 mL Glass Crimp Top Vials for everyday chromatography analysis. They provide an affordable choice and can be used with all headspace GC instrument types. These headspace vials are made of superior quality 1st hydrolytic class glass (Type 1) and have a thicker glass wall to withstand higher temperatures and internal pressures for the analysis of volatile gas in the vial’s headspace. The vials are Specification Certified to ensure autosampler compatible physical dimensions, and meet all requirements of US, EU, and JPN Pharmacopia. Seal these crimp vials with 20 mm aluminium crimp caps and septa using a manual or electronic crimper tool.