The 2ml clear snap-top HPLC vials made by Aijiren have openings in three sizes: 8mm, 9mm, and 10mm. The 2ml clear snap-top HPLC vials are usually grouped according to the diameter of the vial, the height of the vial, and the finish of the screw.
The 11mm crimp top chromatography vials is generally broken down into low boron and chromium, but the difference is that the content of boric acid and the physical and chemical properties of the glass are also different. Aijiren offers 11mm crimp top chromatography vials in the boric acid glass.
