Metrohm 732 IC Detector User Manual
Page 44
2.8 Separating columns and suppressor module
732 IC Detector / 733 IC Separation Center
37
91
91
Suppressor outlet capillary for
H
2
SO
4
94
94
Suppressor outlet capillary
for eluent
92
92
Suppressor outlet capillary for
H
2
O
95
95
Suppressor module
93
93
Suppressor inlet capillary for
H
2
O
96
96
Coupling (6.2620.060; steel) or
Coupling (6.2744.040; PEEK)
2.8.6
One-channel system with suppressor module
In the case of the one-channel system with suppressor module, first the
IC separating column is installed in the 2.733.0X30 IC Separation Cen-
ter (see Fig. 17) and then the suppressor module is connected to the
752 Pump Unit needed for operation (see Fig. 18). Proceed as follows:
1 Connect column to injector
•
Remove end caps from column 76
76.
•
without precolumn:
Screw inlet end of separating column 76
76 (note flow direction)
to column connection capillary 67
67 mounted on the injector.
•
with precolumn in twin cartridge holder:
Screw inlet end of separating column 76
76 (note flow direction)
to outlet capillary 72
72 (see Fig. 15).
•
with precolumn in cartridge head:
Install separating column 76
76 (note flow direction) in the car-
tridge head as described in section 2.7.3 (see Fig. 15).
2 Rinse column
•
Place a beaker beneath the column outlet.
•
Switch on 709 IC Pump and rinse column with eluent for ca.
10 min.
•
Switch off IC pump.
3 Connect column to suppressor module
•
Cut inlet capillary 89
89 marked with "Eluent" of suppressor
module 95
95 to the desired length using a sharp cutting tool
(e.g. razor blade).
•
Screw inlet capillary 89
89 to outlet end of separating column 76
76
using a 6.2744.010 Compression fitting.
4 Fix column
•
Insert one or two column holders 84
84 (6.2027.030, 6.2027.040
or 6.2027.050) in mounting rails 83
83 and fasten separating
column in the column holder.
5 Connect suppressor module to detector block
•
Cut outlet capillary 94
94 marked with "Detector" of suppressor
module 95
95 to the desired length using a sharp cutting tool
(e.g. razor blade).