Glass Double Maniflod Vacuum Gas Distributor For Schlenk Line With 4mm High Vacuum Stopcock & # 15 O-Ring Joints Air-Free Chemistry Lab Glassware Air-sensitive chemistry Drying tube is a tube-like

Drying tube is a tube-like piece of apparatus used to keeping the vessel free of moisture

volatile substances can evaporate and contaminate the system

The flask has two necks

This is a modified chromatography column

Glass Double Maniflod Vacuum Gas Distributor For Schlenk Line With 4mm High Vacuum Stopcock & # 15 O-Ring Joints Air-Free Chemistry Lab Glassware Air-sensitive chemistry Drying tube is a tube-likeDESIGN This is a double bank manifold for use with vacuum and inert gas with 15# O ring joints at the end of the banks. One bank is connected to a source of purified inert gas vented through a oil bubbler . The other is connected to a vacuum pump. With 4mm double oblique,high vacuum hollow glass stopcocks on the ports allows vacuum or inert gas to be selected without the need for placing the reaction vessels on a separate line. The ports are fitted