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Methane Standard and Accessories

Methane is the ideal compound to measure linear velocity and dead time for many GC columns because it is unretained. Use 50 μL injections of this dilute methane standard for more accurate flow measurements than will smaller quantities of more concnetrated methane.

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20705 Hamilton® GASTIGHT® syringe, 1700 series 1725N, volume 250 μL, needle size 22s ga (side-port), needle L 51 mm (2 in.)
307200 Methane in helium 100 ppm, cylinder of 14 L, analytical standard
513010 Miniature Regulator with Gauge
609010 Syringe Adaptor analytical standard