Using Aijiren high recovery vials or HPLC vial inserts ensures you extract the maximum possible amount of your precious sample from the autosampler needle. Aijiren vial inserts and high recovery vials are appropriate for HPLC and GC instrument platforms across a wide variety of applications, including pharmaceutical, environmental, energy and fuels, forensics, materials science, biopharmaceutical, proteomics, and metabolomics.