2021/1/6 · Jan 06, 2021 · Aijiren’s 2ml Screw Neck Chromatography Vial has three calibers: 8mm, 9mm, and 10mm. The 8mm vial is often suitable for Shimadzu’s autosamplers. The 9mm vial can be matched with many different brands of autosamplers. The 10mm vial has the largest opening, which is very convenient for the autosampler to sample.