√MULTIPURPOSE - These sample vials are suitable for a wide range of standard HPLC and GC applications, including high throughput analysis. They can be used on all common automatic stamper for thin-neck bottles. HPLC vials are heat and chemical resistant and are suitable for containing reagents at acidic, neutral and alkaline pH values.

√WHAT YOU GET - The package comes with 100pcs sample vials that measure bottle mouth outer diameter is 9mm / 0.35 inch, bottle size is 32 x 12mm / 1.26 x 0.47 inch (H*OD), total height is 33mm / 1.3 inch, and capacity is 2ml.

√RELIABLE MATERIAL - Lab sample vials are made of high borosilicate glass, with low free ion content, low expansion coefficient and extremely high chemical resistance. Suitable for all pH values of acidic, neutral and alkaline injection preparations. Silicone septa and PTFE provide an anti-evaporation seal for the storage of compound samples in the chemical industry and research laboratories.

√SPECIAL DESIGNED - Lab vials feature a unique screw design that ensures a firm and reliable seal and prevents evaporation. In addition, they come with a scale and writing patch for sample identification.

√KINDLY NOTE - The maximum scale of the bottle is 1.5ml, if you need to fill 2ml, please fill the bottle to the top.