Figure 20, Deaerating the high pressure pump – Metrohm 872 Extension Module User Manual
Page 40
4.6 High pressure pump
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32
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872 Extension Module IC Module
5
1
2
6
7
5
3
4
5
Figure 20
Deaerating the high pressure pump
1
Syringe 10 mL 6.2816.020
For aspirating the eluent.
2
Luer connector
On purging needle.
3
Purging needle 6.2816.040
4
Deaerating capillary
5
PEEK pressure screws, short
6.2744.070
6
Purge valve
7
Purge valve rotary knob
1 Connecting the purging needle
■
Push the end of the purging needle (20-3) over the end of the
deaerating capillary (20-4) on the purge valve.
2 Connecting the syringe
■
Insert syringe (20-1) in the Luer connector (20-2) of the purging
needle (see Figure 20, page 32).
3 Opening purge valve
■
Open the rotary knob (20-7) by approx.
½ rotation counterclock-
wise.
4 Setting the flow rate
■
Start MagIC Net (if not yet started).
■
Ensure that the eluent aspiration tubing is immersed sufficiently in
the eluent.
■
Let the high pressure pump run.