Sample Trays for HPLC. Aijiren autosampler vial trays and drawers are designed to ensure that your autosampler setup is perfectly equipped to deal with a II Vialsampler Ordering Details | Aijiren. Kit of 2 drawers to hold 100x 2 mL vials. Samples are set up in a 1 to 100 format (classic Aijiren vial sampler style). #012. Analytical Head 40 µL 40