4 connection of the suppressor module – Metrohm 792 Basic IC User Manual
Page 48
2.8 Suppressor module
792 Basic IC
39
4 Connect aspirating tubing for H
2
O
x Prepare aspirating tubing 68
68
68
68: Cut a piece of the 6.1803.020
PTFE tubing to the required length (normally ca. 120 cm).
x Insert one end of the aspirating tubing 68
68
68
68 into the rinsing
solution storage bottle and tighten it so that the tubing is
firmly held.
x Insert the free end of aspirating tubing 68
68
68
68 into one of the
openings 5
555 of the 792 Basic IC (see Fig. 2) and pull it suffi-
ciently far into the interior.
x Mount a coupling 70
70
70
70 (6.2744.030) to the inlet end of the front
pump tubing 72
72
72
72.
x Mount a 6.2744.010 Compression fitting at the end of the
aspirating tubing 68
68
68
68 and screw this compression fitting on to
the coupling 70
70
70
70 (see Fig. 14).
2.8.4
Connection of the suppressor module
The three inlets and outlets numbered 1...3 on the suppressor module
39
39
39
39 each have 2 permanently mounted PTFE capillaries, which must be
connected as follows (see Fig. 14 and Fig. 15):
1 Inlet capillary for eluent
x Screw inlet capillary 75
75
75
75 marked with "Eluent" of suppressor
module 39
39
39
39 to outlet end of separating column 66
66
66
66 using a
6.2744.010 Compression fitting.
2 Outlet capillary for eluent
x Screw outlet capillary 76
76
76
76 marked with "Detector" of suppres-
sor module 39
39
39
39 to coupling 26
26
26
26 using a 6.2744.010 Compres-
sion fitting.
x Screw inlet capillary 37
37
37
37 of detector block 38
38
38
38 to other end of
coupling 26
26
26
26.
3 Inlet capillary for H
2
SO
4
x Attach inlet capillary 78
78
78
78 marked with "H
2
SO
4
" of suppressor
module 39
39
39
39 using a 6.2744.010 Compression fitting to the filter
unit PEEK 28
28
28
28 connected to the rear pump tubing 71
71
71
71.
4 Outlet capillary for H
2
SO
4
x Pull outlet capillary 80
80
80
80 marked with "Waste" of the suppressor
module 39
39
39
39 from below through one of the openings 6666 out of
the inner compartment of the 792 Basic IC.
x Lead outlet capillary 80
80
80
80 to a sufficiently large waste container
and fix it in place.