Metrohm 881 Compact IC pro – Anion - Manual (Page 44)

3.10 High pressure pump
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881 Compact IC pro – Anion
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Figure 16 Deaerate the high pressure pump
1 Syringe 10 mL (6.2816.020)
For aspirating the eluent. 2 Luer connector
Part of the purging needle (6.2816.040)
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 (16-3) over the end of the
deaerating capillary (16-4) on the purge valve.
2 Connecting the syringe
￭ Insert syringe (16-1) in the Luer connector (16-2) of the purging
needle (see Figure 16, page 34).
3 Opening purge valve
￭ Open the rotary knob (16-7) 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.