Metrohm 850 Professional IC Anion MCS Prep 1 - Manual (Page 68)

2.18 Metrohm CO
2
suppressor (MCS)
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850 Professional IC – Anion – MCS – Prep 1
3 Aspirating capillary
For aspirating air low in CO
2
(as a result of
CO
2
adsorption cartridge (33- 4 )).
4 PEEK pressure screw, long 6.2744.090
5 Capillary connection 6 Pressure screw, short 6.2744.070
Mounted on the air aspirating capillary.
7 Luer coupling 6.2744.120
Mounted on the air aspirating capillary with
pressure screw 6.2744.070.
Connecting the MCS
1 Connecting the MSM
Connect the eluent output capillary (labeled with Detector) using a
6.2744.090 long PEEK pressure screw (32-4) to the MCS inlet (32-1).
2 Connecting the detector
Connect the detector input capillary (34-3) using a long PEEK pres-
sure screw 6.2744.090 (32-4) to the MCS output (32-2).
Caution
If the MCS is not used, the input and output should be sealed with
6.2744.220 stoppers.
2.18.3 Installing the adsorption cartridges
For effective CO
2
removal, the air sucked through the degassing cell
should be as low in CO
2
as possible. To achieve this, the air is aspirated
through a 6.2837.000 CO
2
adsorption cartridge (33-4).
Moisture can block the CO
2
adsorption cartridge. In order to prevent this,
a 6.2837.010 H
2
O adsorption cartridge (33-7) is connected upstream.