How can I determine if the crimper made a good seal on an autosampler vial? I don't have anyone at my lab that has used headspace before so I 

Most people tend to over-torque the screw caps but are more consistent with the crimping. I had an HPLC assay where the check standard is 

Worldwide Glass Resources offers a large selection of HPLC and GC Clear or Amber - Finishes for 2ml vials available in 8-425, 9mm, 10-425, 11mm crimp, ...

Worldwide Glass Resources Headspace Vials - Manufactured from Type 1 Amber - Finishes available in 20mm standard crimp seal or beveled finish and 18mm ...

vials seal as well as crimp top vials. 4. The leveling feature of AVCS designed vials gives more autosampler compatibility with less autosampler 

Vials, vial inserts, septa, and caps/closures with or without septa for use with autosamplers and Chromatography Autosampler Vial Caps Only (1,404).

Use SureSTART™ 20 mL Glass Crimp Top Headspace Vials, Performance Level 2, to ensure high quality data with an uninterrupted workflow in high-throughput 

thread chromatography vials do not perform as well as crimp top vials in terms of preventing sample evaporation and in terms of dependable handling by 

Aug 22, 2014 for liquid chromatography (LC). This ... if a sample vial is filled too full and sealed ... The autosampler needle can become.

Jan 26, 2021 Is there a recommended vial septum material for ACN solvent? I know Aijiren recommends rubber/butyl but I have seen conflicting information ...