2ml Volume Autosampler Vial Wholesale WHEATON Standard Opening Snap Ring Sample Vial Wholesale WHEATON Wheaton PP autosampler vials, Snap Ring volume 0.1 mL Wheaton PP autosampler vials, Snap Ring volume 0.1 mL, natural polypropylene vial, 5 × 11 serum finish, thread for 11 mm; find Sigma-Aldrich-Z162515 MSDS, related peer-reviewed papers