Glass Organic Chemistry Kit 24/40 Lab Glassware Set Distillation Apparatus gas distributor back vacuum chambers on stopcock

back vacuum chambers on stopcock are evacuated with a separate hole in the plug in order to hold the plug into the stopcock barrels

It's hand-blown according to ASTM E438 and annealed at 800 degrees Celsius for maximum strength and resistance to thermal shock

which also have 10mm hose connections

ensuring a tight fit with other glassware components

Glass Organic Chemistry Kit 24/40 Lab Glassware Set Distillation Apparatus gas distributor back vacuum chambers on stopcockComponent: The organic chemistry kit includes 5 round bottom flasks with volumes ranging from 25mL to 500mL, a vacuum take off adapter, a Claisen adapter, a 3 way distillation adapter, a thermometer adapter, a penny head stopper, a separatory funnel with joints at the top and bottom, a distillation condenser, a West condenser, a glass kerosene thermometer, and 5 pieces of 24# joint clips. All joints are 24 40. The listing is below: 500mL single neck