Metrohm 790 Personal IC User Manual
Page 40
2.7 Precolumns and separating columns
790 Personal IC
31
56
56
56
56
55
55
55
55
57
57
57
57 58
58
58
58 59
59
59
59 58
58
58
58 57
57
57
57 60
60
60
60 57
57
57
57
46
46
46
46
20
20
20
20
61
61
61
61 62
62
62
62
63
63
63
63
Fig. 11: Installation of precolumn cartridges with cartridge head
20
20
20
20 Column connection capillary
from injector
59
59
59
59
Precolumn cartridge
46
46
46
46
Compression fitting (6.2744.010)
60
60
60
60
Steel spacer (6.2821.080)
55
55
55
55
Manufit housing
61
61
61
61
4 Steel meshes (6.2821.020)
56
56
56
56
Steel connector
(of IC separating column)
62
62
62
62 Manufit pressure screw
57
57
57
57 PTFE gasket (6.2821.010)
63
63
63
63 IC separating column
58
58
58
58
2 Steel meshes (6.2821.020)
3 Connect precolumn
• Fit PEEK compression fitting 46
46
46
46 to the column connection
capillary 20
20
20
20 mounted on the injection valve 22
22
22
22 (see section
2.3.4).
• Screw column connection capillary 20
20
20
20 to Manufit housing 55
55
55
55.
The precolumn cartridge built into the cartridge head can only be
rinsed together with the separating column (see section 2.7.7/8). This
increases the rinsing time by approx. 20 min.