Metrohm 881 Compact IC pro – Anion User Manual
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5.11 Metrohm Suppressor Module (MSM)
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881 Compact IC pro – Anion
Regenerating the suppressor
1 Disconnecting the suppressor from the IC system
￭
Disconnect the capillaries of the suppressor labeled with regener-
ant and rinsing solution from the IC system.
2 Connecting the suppressor to the high pressure pump
￭
Connect the inlet capillary for the regeneration solution (labeled
with regenerant) to the outlet of the high pressure pump with the
aid of a coupling (6.2744.040)
3 Regenerating the suppressor
￭
Regenerate the first suppressor unit for about 15 minutes.
￭
In the software, use the Step command to switch to the second
suppressor unit and regenerate this for about 15 minutes.
￭
In the software, use the Step command to switch to the third
suppressor unit and regenerate this for about 15 minutes.
4 Rinsing the suppressor
After regeneration, the three suppressor units must be rinsed with
degassed ultra pure water for about 15 minutes.
￭
Remove the inlet capillary for the regeneration solution (labeled
with regenerant) from the outlet of the high pressure pump.
￭
Connect the inlet capillary for the rinsing solution (labeled with
rinsing solution) to the outlet of the high pressure pump with the
aid of a coupling (6.2744.040).
￭
Rinse the first suppression unit with degassed ultra pure water for
about 15 minutes.
￭
In the software, use the Step command to switch to the second
suppressor unit and rinse this for about 15 minutes.
￭
In the software, use the Step command to switch to the third
suppressor unit and rinse this for about 15 minutes.
5 Connect the suppressor to the IC system
￭
Reconnect the capillaries labeled regenerant and rinsing solution
to the IC system.