These PYREX® chromatography columns have a reservoir at top and a Product Standard 2mm bore PTFE (Polytetrafluorethylene) plug stopcock at the bottom. The top opening will accept a #2 rubber stopper.

Tubes for general chromatographic analysis Tops are tooled for rubber stopper fit and tubes are fabricated with sealed-in coarse porosity fritted discs Outflow tubes eliminate the smearing of the definition bands of effluent caused by the tube being filled and solvent mixed before being…

The 10x300mm PYREX® column is designed for general chromatographic column separations. The top is tooled for a No. 00 rubber stopper fit. A PTFE (Polytetrafluorethylene) Product Standard stopcock with a No. 2 plug is provided for better column control. Sealed into the column in a coarse porosity…