silanized HPLC sample vials graduated spot 18 02 2022 Aijiren 2ml HPLC Vial, Amber, 9-425 Autosampler Vial with Write Aijiren 2ml HPLC Vial, Amber, 9-425 Autosampler Vial with Write-on Spot, Gratuations, 9mm Blue ABS Screw Cap, Blue PTFE & White Silicone Septa,