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…

This Vigreux Distillation Column is a replacement part for the 6949M series of PYREX® microchemistry kits.

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…

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.