Loy Shick (aijiren Tech Scientific Rockwood, USA), Brian King (aijiren Tech Scientific, Runcorn, UK) Technical Note 20537 Key Words Screw thread chromatography vials, 9 mm wide opening screw thread closures, evaporation, fluorocarbon free, PTFE free, 2 mL storage vial closure. Goal The new aijiren Tech ™ Chromacol 9 mm