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 This is a modified chromatography

This is a modified chromatography column

volatile substances can evaporate and contaminate the system

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 sidearm is angled at 75-degree for attaching a condenser

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 This is a modified chromatographyDESIGN 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