Page 122 - Applied Pharmacognosy
P. 122
Mobile Phase Handling
Online Degassing
❑ Modern mobile phase reservoirs are designed so that the
mobile phase is degassed in situ using degassing units built
into the pump. Coils of gas-permeable tubing Vacuum chamber
Regulator Polymeric film tube
Helium
cylinder
To pump To pump
To draft
Drain valve
Helium purge Eluent container Eluent container
method
In-line membrane degass12i1ng
