2-34 Installing the System
Considerations
Use a solvent that is miscible with your mobile phase and which contains no
dissolved salts that could crystallize as it evaporates. Also, empty and refill
the plunger wash reservoir with new solvent about once a month (more often
when used frequently) if you reuse it.
Connecting the plunger wash tube
To connect a solvent reservoir to the plunger wash:
1. Place the plunger wash pump’s inlet tubing into a reservoir containing a
solvent that is compatible with your mobile phase.
Plunger wash connections
2. Connect outlet tubing to the wash fitting at the top of the left pump
head. Put the other end of the tubing in a waste container or into the
wash solvent reservoir to recirculate the wash solvent.
3. Force several milliliters of wash solvent into the inlet tube of the
plunger wash pump, using a syringe. Keep pushing solvent into the tube
until it comes out the left pump head and into the outlet tube.
Washer solvent
Inlet tubing
Pump head
Tubing from
wash pump
Outlet tube
Fluidics drawer
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