<p>[ Glass Bottle]HPLC vials have heat resistance and high chemical resistance and are suitable for accommodating reagents with acidic, neutral, and alkaline pH values</p> <p>[Sealed Design]Lab vials feature a screw design that ensures a consistent seal. Silicone septa and PTFE provide an evaporation-tight seal for compound sample storage in the chemical industry and research laboratories</p> <p>[Easy to Distinguish]Amber vial has white printed graduations in 0.5ml increments and a large writing area for sample identification or labeling</p> <p>[Screw Vials]Our 2ml HPLC vials are 12mm in diameter and 32mm in height, which is suitable for common autosampler</p> <p>[Wide Applications]Lab vial is suitable for HPLC, , LC\/MS applications, and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles</p> <p>Specification:200PCS</p> <p>Colour:Transparent</p> <p>Material:Glass</p> <p>Package Contents:</p> <p>200 x Autosampler Vial</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>