Vials, screw top, amber glass (vial only), volume 2 mL, amber glass vial, thread for 8 Expand. View Pricing. 508888. Clear glass 1.2 mL crimp top vial, flat bottom, 8 x 40 mm, volume 1.2 mL, closure type, crimp top vial, clear glass vial, pkg of 125 ... Gas chromatography is a common analytic technique used to separate and analyze volatile ...