[Durable glass bottle] HPLC small bottle has heat resistance and high chemical resistance, suitable for reagents that accommodate acid, neutral and alkaline pH<br> [Sealing Design] The small bottle of the laboratory adopts a unique screw design to that the seal is consistent. Silicone diaphragm and polytetrafluoroethylene provides evaporation and sealing for compound sample storage in the chemical industry and research laboratory<br> [Easy to distinguish] bottle has a white scale of 0.5 ml increment, and there is a writing area for sample recognition or marking<br> [Spiral Bottle] Our 2ml HPLC small bottle diameter is 12mm and the height is 32mm. It is suitable for ordinary automatic proofers<br> [Extensive application] Laboratory small bottles are suitable for HPLC, , LC/ applications and high -throughput analysis to obtain reliable results. Sample bottle can be used for automatic molding of all common fine -necked bottle<br> Colour:brown<br> Material:Glass<br> Package Contents:<br> 100 x Autosampler Vial<br> Only the above package content, other products are not included.<br> 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.