4ml Clear Chromatography Vials

These autosample vials are designed with write-on spot and screw cap, which are widely applied in high performance liquid chromatography and gas chromatography.

1. Made of Borosillicate type I glass 5.1 expansion glass.
2. Sample vials with unique thread design ensures consistent seal and can be reused, not volatile, easy to use.
3. Standard autosampler vial for HPLC & GC Chromatography, vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results.
4. The writable label can be used for sample identification.
5. Convenient clam shell packs including 100 vials and caps.
6. With clear graduation on it, it can easily recognize the specific content.