网页HPLC Vial Autosampler Vials 2ml with Caps, 9-425 Amber Vial with Blue Screw Caps,Writing Patch,Graduation,White PTFE & Red Silicone Septa Fit for LC Sampler(600 pcs,Brown) B081YBM55M $241.85 $146.74 Color: Brown Features: 2ml sample vial are made of high quality borosilicic acid glass,low content of free ions,low coefficient of