aijiren's autosampler vials include a wide range of HPLC vials and GC vials designed and optimized to work with aijiren autosamplers & HPLC, GC platforms. These HPLC and GC vials are available as snap, screw or crimp in style, 15uL to 20 mL in sample size, and various of low bleed and high-quality material composition. For GC, GC/MS